Standard Reference Materials

Archived Certificates, Certificates of Analysis, Reference Material Information Sheets, & Reports of Investigations

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Archived Certificates

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SRM/RM Description
SRM 1Argillaceous Limestone, July 1, 1910
GM 1, 2Hydrogen in Steel Standards
SRM 1aArgillaceous Limestone (All results are based on a sample dried for 1 hour at 105 °C to 110 °C), January 8, 1931
SRM 1bArgillaceous Limestone (All analyses are based on samples dried 2 hours at 110 °C), November 8, 1966
SRM 1cArgillaceous Limestone, March 12, 1990
SRM 2Zinc Ore, February 1, 1919
SRM 2aZinc Ore, Provisional, May 1, 1933
SRM 3White Iron, March 27, 1958
SRM 3aWhite Iron, December 14, 1962
SRM 3bWhite Iron, March 11, 1969
SRM 3cWhite Iron, March 17, 1969
SRM 3dWhite Iron, April 2, 1979
SRM 4Analyses of Standardized Iron, February 1, 1906
SRM 4aIron B, April 15, 1910
SRM 4bIron B, September 1, 1918
SRM 4cCast Iron, February 26, 1924
SRM 4dCast Iron, January 4, 1929
SRM 4eCast Iron, October 10, 1934
SRM 4fCast Iron, November 18, 1943
SRM 4gCast Iron, August 29, 1947
SRM 4hCast Iron, January 21, 1953
SRM 4iCast Iron, November 29, 1957
SRM 4jCast Iron, January 25, 1971
SRM 4kCast Iron, May 27, 1976
SRM 5Analyses or Standardized Iron, February 1, 1906
SRM 5Copper Heat, March 19, 1992
GM 5Nickel and Vanadium in Residual Fuel Oil
SRM 5aIron C, April 15, 1910
SRM 5bIron C, January 1, 1914
SRM 5cIron C, September 1, 1918
SRM 5dIron C, July 25, 1921
SRM 5eCast Iron, September 25, 1925
SRM 5fCast Iron, January 4, 1929
SRM 5gCast Iron, October 10, 1934
SRM 5hCast Iron, May 22, 1943
SRM 5iCast Iron, February 10, 1947
SRM 5jCast Iron, January 21, 1953
SRM 5kCast Iron, July 23, 1956
SRM 5lCast Iron, October 10, 1967
SRM 6Analyses of Standardized Iron, February 1, 1906
SRM 6aIron D, June 15, 1910
SRM 6bIron D, June 1, 1916
SRM 6cIron D, February 1, 1920
SRM 6dIron D, January 21, 1928
SRM 6eIron D, November 18, 1943
SRM 6fIron D, November 30, 1955
SRM 7Iron E, June 1, 1917
SRM 7aIron E, July 22, 1921
SRM 7bIron E, May 4, 1926
SRM 7cIron E (High Phosphorus), April 20, 1934
SRM 7dIron E (High Phosphorus), July 10, 1945
SRM 7eIron E (High Phosphorus), July 8, 1951
SRM 7fIron E (High Phosphorus), November 30, 1955
SRM 7gIron E (High Phosphorus), October 5, 1959
SRM 8aBessemer Steel, 0.1% Carbon, June 1, 1911
SRM 8bBessemer Steel, 0.1% Carbon, September 1, 1918
SRM 8cBessemer Steel, 0.1% Carbon, September 15, 1924
SRM 8dBessemer Steel, 0.1% Carbon, June 19, 1928
SRM 8eBessemer Steel, 0.1% Carbon, March 15, 1937
SRM 8fBessemer Steel, 0.1% Carbon, October 1, 1941
SRM 8gBessemer Steel, 0.1% Carbon, May 3, 1944
SRM 8hBessemer Steel, 0.1% Carbon, March 31, 1955
SRM 8iBessemer Steel, 0.1% Carbon, May 5, 1965
SRM 8jBessemer Steel, 0.1% Carbon, April 10, 1972
SRM 9Analyses of Standardized Bessemer 0.2
SRM 9aBessemer Steel, 0.2% Carbon, May 5, 1911
SRM 9bBessemer Steel, 0.2% Carbon, November 9, 1918
SRM 9cBessemer Steel, 0.2% Carbon, November 5, 1924
SRM 9dBessemer Steel, 0.2% Carbon, March 12, 1943
SRM 10Analyses of Standardized Steel, Bessemer 0.4, July 1, 1907
GM 10Encapsulated Plutonium Heat Source
SRM 10aAnalyses of Standardized Steel, Bessemer 0.4
SRM 10bBessemer Steel, 0.4 % Carbon, October 20, 1913
SRM 10cBessemer Steel, 0.4 % Carbon
SRM 10dBessemer Steel, 0.4 % Carbon, November 7, 1927
SRM 10eBessemer Steel, 0.4 % Carbon, November 15, 1944
SRM 10fBessemer Steel, 0.4 % Carbon, March 15, 1955
SRM 10gBessemer Steel, 0.4 % Carbon, October 14, 1965
SRM 11Standardized Steel, January 1, 1908
SRM 11aBasic Open-Hearth Steel, 0.2 % Carbon, March 20, 1911
SRM 11bBasic Open-Hearth Steel, 0.2 % Carbon, November 9, 1918
SRM 11cBasic Open-Hearth Steel, 0.2 % Carbon, May 8, 1923
SRM 11dBasic Open-Hearth Steel, 0.2 % Carbon, September 1, 1929
SRM 11eBasic Open-Hearth Steel, 0.2 % Carbon, February 10, 1944
SRM 11fBasic Open-Hearth Steel, 0.2 % Carbon, August 1, 1949
SRM 11gBasic Open-Hearth Steel, 0.2 % Carbon, May 18, 1956
SRM 11hBasic Open-Hearth Steel, 0.2 % Carbon, February 20, 1992
SRM 12aBasic Open-Hearth Steel, 0.4 % Carbon, February 1, 1911
SRM 12bBasic Open-Hearth Steel, 0.4 % Carbon, May 1, 1917
SRM 12cBasic Open Hearth Steel, 0.4 % Carbon, March 18, 1925
SRM 12dBasic Open-Hearth Steel, 0.4 % Carbon, November 20, 1930
SRM 12eBasic Open-Hearth Steel, 0.4 % Carbon, September 30, 1944
SRM 12fBasic Open-Hearth Steel, 0.4 % Carbon, January 3, 1955
SRM 12gBasic Open-Hearth Steel, 0.4 % Carbon, May 15, 1958
SRM 13aBasic Open-Hearth Steel, 0.6 % Carbon, October 21, 1911
SRM 13bBasic Open-Hearth Steel, 0.6 % Carbon, August 2, 1920
SRM 13cBasic Open-Hearth Steel, 0.6 % Carbon, March 26, 1926
SRM 13dBasic Open-Hearth Steel, 0.6 % Carbon, April 2, 1942
SRM 13eBasic Open-Hearth Steel, 0.6 % Carbon, November 28, 1950
SRM 13fBasic Open-Hearth Steel, 0.6 % Carbon, January 30, 1958
SRM 14Basic Open-Hearth Steel, 0.8 % Carbon, May 1, 1910
SRM 14aBasic Open Hearth Steel, 0.8 % Carbon, August 15, 1911
SRM 14bBasic Open-Hearth Steel, 0.8 % Carbon, October 9, 1922
SRM 14cBasic Open-Hearth Steel, 0.8 % Carbon, January 5, 1938
SRM 14dBasic Open-Hearth Steel, 0.8 % Carbon, February 15, 1955
SRM 14eBasic Open-HHearth Steel, 0.8 % Carbon, November 9, 1965
SRM 14fBasic Open-Hearth Steel Carbon- (AISI 1078), February 24, 1981
SRM 15Basic Open Hearth Steel, 0.1, February 8, 1908
SRM 15aBasic Open Hearth Steel, 0.1 % Carbon, June 23, 1915
SRM 15bBasic Open Hearth Steel, 0.1 % Carbon, September 25, 1925
SRM 15cBasic Open-Hearth Steel, 0.1 % Carbon, February 28, 1940
SRM 15dBasic Open Hearth Steel, 0.1 % Carbon, December 3, 1943
SRM 15eBasic Open Hearth Steel, 0.1 % Carbon, November 10, 1953
SRM 15fBasic Open Hearth Steel, 0.1 % Carbon, December 19, 1956
SRM 15gBasic Open Hearth Steel, 0.1% Carbon, April 30, 1974
SRM 16Basic Open Hearth Steel, 1.0, February 8, 1908
SRM 16aBasic Open-Hearth Steel, 1.0 % Carbon, May 20, 1914
SRM 16bBasic Open-Hearth Steel, 1.0 % Carbon, December 5, 1925
SRM 16cBasic Open-Hearth Steel, 1.0 % Carbon, February 5, 1935
SRM 16dBasic Open-Hearth Steel, 1.0 % Carbon, June 1, 1956
SRM 16eBasic Open-Hearth Steel, 1.1 % Carbon, April 30, 1974
SRM 17Sucrose, April 1, 1963
SRM 17aSucrose, December 26, 1967
SRM 17cSucrose, April 1, 1981
SRM 17dSucrose, September 24, 1993
SRM 17eSucrose, September 16, 2003
SRM 18Acid Open-Hearth, 0.1, August 28, 1960
SRM 19Acid Open-Hearth, 0.2, August 28, 1960
SRM 19aAcid Open-Hearth Steel, 0.2 % Carbon, June 15, 1912
SRM 19bAcid Open-Hearth Steel, 0.2 % Carbon, May 3, 1922
SRM 19cAcid Open-Hearth Steel, 0.2 % Carbon, September 1, 1929
SRM 19dAcid Open-Hearth Steel, 0.2 % Carbon, February 10, 1944
SRM 19eAcid Open-Hearth Steel, 0.2 % Carbon, July 28, 1948
SRM 19fAcid Open-Hearth Steel, 0.2 % Carbon, April 8, 1955
SRM 19gAcid Open-Hearth Steel, 0.2 % Carbon, September 30, 1964
SRM 20Acid Open-Hearth 0.4 %
SRM 20aAcid Open-Hearth Steel, 0.4 % Carbon, December 1, 1916
SRM 20bAcid Open-Hearth Steel, 0.4 % Carbon, January 28, 1922
SRM 20cAcid Open-Hearth Steel, 0.4 % Carbon, October 14, 1926
SRM 20dAcid Open-Hearth Steel, 0.4 % Carbon, February 28, 1940
SRM 20eAcid Open-Hearth Steel, 0.4 % Carbon, April 20, 1948
SRM 20fAcid Open-Hearth Steel, 0.4 % Carbon, August 20, 1956
SRM 21Acid Open-Hearth, 0.6 %
GM 21, 22Flexible Polyurethane Foam
SRM 21aAcid Open Hearth Steel, 0.6 % Carbon, December 1, 1916
SRM 21bAcid Open-Hearth Steel, 0.6 % Carbon, September 26, 1923
SRM 21cAcid Open-Hearth Steel, 0.6 % Carbon, July 1, 1930
SRM 21dAcid Open-Hearth Steel, 0.6 % Carbon, March 1, 1948
SRM 22Bessemer Steel, 0.6 % Carbon, March 1, 1910
SRM 22aBessemer Steel, 0.6 % Carbon, November 9, 1918
SRM 22bBessemer Steel, 0.6 % Carbon, July 20, 1926
SRM 22cBessemer Steel, 0.5 % Carbon, August 28, 1946
SRM 23Bessemer Steel, 0.8 % Carbon, March 1, 1910
GM 23, 24Flexible Polyurethane Foam with Fire Retardant
SRM 23aBessemer Steel, 0.8 % Carbon, January 24, 1921
SRM 24Vanadium Steel, 0.15 % Vanadium, October 1, 1910
SRM 25Manganese Ore (Dried at 120°), July 1, 1910
GM 25, 26High Resilience, Flexible Polyurethane Foam
SRM 25aManganese Ore (Dried at 120°), June 1, 1920
SRM 25bManganese Ore, April 1, 1927
SRM 25cManganese Ore, Provisional, April 25, 1966
SRM 26Crescent Iron Ore (Dried at 100°), September 20, 1930
SRM 27"Sibley" Iron Ore (Dried at 100°)
GM 27, 28High Resilience, Flexible Polyurethane Foam with Fire Retardant
SRM 27a"Sibley" Iron Ore (Dried at 100°)
SRM 27b"Sibley" Iron Ore (Dried at 100°), August 1, 1935
SRM 27cMesabi Iron Ore, Provisional, December 28, 1951
SRM 27dMesabi Iron Ore, Provisional, June 3, 1960
SRM 27eSibley Iron Ore, June 21, 1966
SRM 27fSibley Iron Ore, December 30, 1991
SRM 28Norrie Iron Ore, July 1, 1910
SRM 28aNorrie Iron Ore, March 29, 1948
SRM 29Magnetite Iron Ore (Dried at 100°)
GM 29, 30Rigid Polyurethane Foam
SRM 29aMagnetite Iron Ore (Dried at 105 °C), Provisional, July 16, 1939
SRM 30Chrome-Vanadium Steel, June 20, 1912
SRM 30aChrome-Vanadium Steel, July 10, 1919
SRM 30bChrome-Vanadium Steel, October 24, 1922
SRM 30cChrome-Vanadium Steel, November 5, 1929
SRM 30dChrome-Vanadium Steel, January 2, 1943
SRM 30eChrome-Vanadium Steel, March 15, 1955
SRM 31Chrome-Tungsten Steel, December 1, 1912
SRM 32Chrome-Nickel Steel, June 20, 1912
SRM 32aChrome-Nickel Steel
SRM 32bChrome-Nickel Steel, September 20, 1927
SRM 32cChrome-Nickel Steel, April 6, 1943
SRM 32dChrome-Nickel Steel, July 14, 1949
SRM 33Nickel Steel, June 20, 1912
SRM 33aNickel Steel, August 25, 1921
SRM 33bNickel Steel, April 10, 1928
SRM 33cNickel Steel, May 15, 1944
SRM 33dNickel Steel, June 10, 1955
SRM 34Acid Open-Hearth Steel, 0.8% Carbon, June 15, 1913
SRM 34aAcid Open-Hearth Steel, 0.8% Carbon, November 15, 1928
SRM 35Acid Open-Hearth Steel, 1.0% Carbon, June 15, 1913
SRM 35aAcid Open-Hearth Steel, 1.0% Carbon, March 19, 1927
SRM 36Chromium Molybdenum Steel, March 30, 1942
SRM 36aChromium Molybdenum Steel, September 25, 1950
SRM 37Sheet Brass, January 15, 1914
SRM 37aSheet Brass, July 30, 1920
SRM 37bSheet Brass, February 14, 1923
SRM 37cSheet Brass, January 16, 1942
SRM 37dSheet Brass, January 28, 1946
SRM 37eSheet Brass, August 28, 1958
SRM 38Naphthalene
SRM 38aNaphthalene
SRM 38bNaphthalene, March 20, 1930
SRM 39Benzoic Acid
GM 39Rigid Polyurethane Foam Sprayed on Asbestos Cement Board
SRM 39aBenzoic Acid
SRM 39bBenzoic Acid, January 7, 1922
SRM 39cBenzoic Acid, November 4, 1925
SRM 39dBenzoic Acid, October 30, 1929
SRM 39eBenzoic Acid, October 16, 1933
SRM 39fBenzoic Acid, February 12, 1946
SRM 39gBenzoic Acid, May 28, 1951
SRM 39hBenzoic Acid, April 15, 1958
SRM 39iBenzoic Acid Calorimetric Standard, July 15, 1968
SRM 40Sodium Oxalate, August 27, 1912
GM 40Rigid Polyurethane Foam Sprayed on Asbestos Cement Board
SRM 40aSodium Oxalate, June 1, 1920
SRM 40bSodium Oxalate, June 1, 1920
SRM 40cSodium Oxalate, October 23, 1929
SRM 40dSodium Oxalate, Provisional, June 27, 1940
SRM 40eSodium Oxalate, Provisional, April 26, 1945
SRM 40fSodium Oxalate, Provisional, February 1, 1952
SRM 40gSodium Oxalate, August 11, 1958
SRM 41Dextrose, Lot #6094April 5, 1963
SRM 41Dextrose Lot #4854
SRM 41aDextrose, December 26, 1967
SRM 41bDextrose, December 27, 1982
SRM 41cDextrose, May 27, 1993
SRM 42Tin (Melting Point or Freezing Point)
SRM 42aTin (Melting Point or Freezing Point)
SRM 42bTin (Melting Point or Freezing Point), May 2, 1927
SRM 42cTin (Melting Point or Freezing Point), June 20, 1936
SRM 42dTin (Melting Point or Freezing Point), January 23,1943
SRM 42eTin (Melting Point or Freezing Point), March 20, 1953
SRM 42fTin (Melting Point or Freezing Point), December 6, 1971
SRM 42gTin Secondary Freezing Point Standard, July 18, 1972
SRM 43Zinc (Melting Point or Freezing Point)
GM 43, 44Rigid Isocyanurate Foam, Contains Polyurethane
SRM 43aZinc (Melting Point or Freezing Point)
SRM 43bZinc (Freezing Point or Melting Point), October 12, 1926
SRM 43cZinc (Freezing Point or Melting Point on the International Temperature Scale), May 22, 1930
SRM 43dZinc (Melting Point or Freezing Point), August 22, 1936
SRM 43eZinc (Melting Point or Freezing Point on the International Temperature Scale), January 23, 1943
SRM 43fZinc Pyrometric (Melting Point or Freezing Point on the International Temperature Scale), March 20, 1953
SRM 43gZinc (Freezing Point on the International Temperature Scale of 1948),October 31, 1957
SRM 43hZinc (Freezing Point on the International Temparature Scale of 1990), April 5, 1990
SRM 44Aluminum Melting Point or Freezing Point
SRM 44aAluminum Melting Point or Freezing Point, March 9, 1923
SRM 44bAluminum Melting Point or Freezing Point, May 23, 1927
SRM 44cAluminum Melting Point or Freezing Point on the International Temperature Scale, May 24, 1932
SRM 44dAluminum Melting Point or Freezing Point on the International Temperature Scale, March 10, 1948
SRM 44eAluminum Melting Point or Freezing Point on the International Temperature Scale, December 6, 1971
SRM 44fAluminum Melting Point or Freezing Point on the International Temperature Scale, April 12, 1990
SRM 45Copper (Melting Point or Freezing Point)
SRM 45aCopper (Melting Point or Freezing Point on the International Temperature Scale of 1948)
SRM 45bCopper Pyrometric (Melting Point or Freezing Point on the International Temp Scale of 1948), December 15, 1949
SRM 45cCopper Pyrometric (Melting Point or Freezing Point on the International Temp Scale of 1948), Provisional, September 2, 1953
SRM 45dCopper Pyrometric (Melting Point or Freezing Point on the International Temperature Scale of 1948),December 6, 1971
GM 47, 48Polystyrene Expanded
GM 49, 50Polystyrene Expanded with Fire Retardant
SRM 49Lead (Melting Point or Freezing Point on the International Temperature Scale), February 24, 1921
SRM 49aLead (Melting Point or Freezing Point on the International Temperature Scale), December 18, 1933
SRM 49bLead (Melting Point or Freezing Point on the International Temperature Scale), January 23, 1943
SRM 49cLead (Melting Point or Freezing Point on the International Temperature Scale), May 10, 1948
SRM 49dLead (Melting Point or Freezing Point on the International Temperature Scale), March 20, 1953
SRM 50Chrome-Tungsten-Vanadium Steel, February 1, 1921
SRM 50aChrome-Tungsten-Vanadium Steel, July 1, 1930
SRM 50bChrome-Tungsten-Vanadium Steel, November 20, 1944
SRM 51Electric Steel, 1.2 % Carbon, January 15, 1921
SRM 51aElectric Steel, 1.2 % Carbon, July 6, 1937
SRM 51bElectric Steel, 1.2 % Carbon, October 20, 1957
SRM 52Cast Bronze, July 6, 1921
SRM 52aCast Bronze, April 22, 1941
SRM 52bCast Bronze, April 24, 1945
SRM 52cCast Bronze, August 19, 1952
SRM 53Lead-Base Bearing Metal, December 10, 1921
SRM 53aLead-Base Bearing Metal, July 24, 1939
SRM 53bLead-Base Bearing Metal, October 15, 1944
SRM 53cLead-Base Bearing Metal, July 11, 1951
SRM 53dLead-Base Bearing Metal, September 21, 1956
SRM 54Tin-Base Bearing Metal, February 2, 1923
SRM 54aTin-Base Bearing Metal, October 5, 1939
SRM 54bTin-Base Bearing Metal, June 17, 1944
SRM 54cTin-Base Bearing Metal, July 8, 1949
SRM 55Ingot Iron, September 26, 1923
SRM 55aOpen-Hearth Iron, September 21, 1936
SRM 55bOpen-Hearth Iron, October 26, 1948
SRM 55cOpen-Hearth Iron, Provisional, November 16, 1950
SRM 55dOpen-Hearth Iron, October 17, 1955
SRM 55eOpen-Hearth Iron, February 2, 1961
SRM 56Tennessee Phosphate Rock, May 20, 1927
SRM 56aPhosphate Rock (Tennessee Brown), April 4, 1939
SRM 56bPhosphate Rock (Tennessee Brown), Provisional, February 4, 1947
SRM 57Refined Silicon, February 7, 1973
GM 57, 58Phenolic Foam
SRM 57aRefined Silicon, May 24, 1993
SRM 58Ferrosilicon 75% Grade, November 29, 1924
SRM 59Ferrosilicon 50% Grade, November 29, 1924
SRM 60Ferrovanadium (Low Carbon), November 28, 1924
SRM 61Ferrovanadium (High Carbon), November 28, 1924
SRM 61aFerrovanadium, April 15, 1946
SRM 62Manganese Bronze, January 2, 1924
SRM 62aManganese Bronze, March 10, 1942
SRM 62bManganese Bronze, June 30,1944
SRM 62cManganese Bronze, July 30, 1954
SRM 62dManganese Bronze, October 12, 1959
SRM 63Phosphor Bronze Bearing Metal
SRM 63aPhosphor Bronze Bearing Metal, February 17, 1944
SRM 63bPhosphor Bronze Bearing Metal, July 22, 1948
SRM 63cPhosphor Bronze Bearing Metal, December 1, 1955
SRM 64Ferrochromium (High Carbon), November 28, 1924
SRM 64aFerrochromium (High Carbon), April 16, 1948
SRM 64bFerrochromium (High Carbon), January 8, 1962
SRM 65Acid Electric Steel, December 18, 1924
SRM 65aAcid Electric Steel, August 20, 1930
SRM 65bAcid Electric Steel, 0.3% Carbon, April 30, 1942
SRM 65cBasic Electric Steel, 0.3% Carbon, July 16, 1946
SRM 65dBasic Electric Steel, 0.3% Carbon, October 30, 1958
SRM 66Spiegeleisen, Provisional, November 6, 1924
SRM 66aSpiegeleisen, Provisional, November 24, 1947
SRM 67Manganese Metal, October 16, 1925
SRM 68Ferromanganese, October 16, 1925
SRM 68aFerromanganese, May 28, 1942
SRM 68bFerromanganese, October 20, 1953
SRM 69Bauxite, May 3, 1926
SRM 69aBauxite, Provisional, December 21, 1958
SRM 70Feldspar, July 19,1926
SRM 71Calcium Molybdate, February 1, 1929
SRM 72Chrome-Molybdenum Steel, May 18, 1927
SRM 72aChrome-Molybdenum Steel, September 25, 1936
SRM 72bChrome-Molybdenum Steel, August 3, 1942
SRM 72cChrome-Molybdenum Steel, October 31, 1944
SRM 72dChrome-Molybdenum Steel, October 1, 1948
SRM 72eChrome-Molybdenum Steel, October 1, 1948
SRM 72fChrome-Molybdenum Steel, July 20, 1965
SRM 73Stainless Steel, July 14, 1927
SRM 73aStainless Steel, 14% Chromium, January 18, 1944
SRM 73bStainless Steel, 13% Chromium, April 15, 1958
SRM 74Cast Iron, May 4, 1926
SRM 75Ferrotungsten, October 1, 1928
SRM 76Burnt Refractory, March 15, 1927
SRM 76aBurnt Refractory, March 20, 1992
SRM 77Burnt Refractory, March 15, 1927
SRM 77aBurnt Refractory, March 20, 1992
SRM 78Burnt Refractory, March 15, 1927
SRM 78aBurnt Refractory, March 20, 1992
SRM 79Fluorspar, September 21, 1929
SRM 80Soda-Lime Glass, June 17, 1927
SRM 81Glass Sand, May 1, 1928
SRM 82Nickel-Chromium Cast Iron, January 21, 1928
SRM 82aNickel-Chromium Cast Iron, October 15, 1949
SRM 83Arsenic Trioxide, June 20, 1927
SRM 83aArsenic Trioxide, May 10, 1948
SRM 83bArsenic Trioxide, April 15, 1958
SRM 83cArsenic Trioxide, Provisional,February 6, 1962
SRM 83dArsenic Trioxide (Reductometric), September 8, 2010
SRM 84Acid Potassium Phthalate, May 27, 1927
SRM 84aAcid Potassium Phthalate, March 7, 1938
SRM 84bAcid Potassium Phthalate, Provisional
SRM 84cAcid Potassium Phthalate, Provisional, August 10, 1945
SRM 84dAcid Potassium Phthalate, Provisional, September 1, 1950
SRM 84eAcid Potassium Phthalate, Provisional, January 7, 1955
SRM 84fAcid Potassium Phthalate, Provisional, July 1, 1958
SRM 84gAcidmetric Standard, Provisional, January 19, 1966
SRM 84hAcid Potassium Phthalate, Provisional, September 27, 1966
SRM 84jAcid Potassium Phthalate, January 11, 1993
SRM 84kPotassium Hydrogen Phthalate, May 13, 2005
SRM 85Aluminum Alloy (Duralumin), July 12, 1943
SRM 85aAluminum Alloy (Wrought), October 23, 1945
SRM 85bAluminum Alloy (Wrought), May 9, 1957
SRM 86Aluminum-Base Sand-Casting Alloy, Provisional, April 2, 1937
SRM 86aAluminum-Base Sand Casting Alloy, Provisional, March 30, 1939
SRM 86bAluminum Alloy (Casting), July 24, 1943
SRM 86cAluminum Alloy (Casting), December 24, 1948
SRM 87Aluminum-Silicon Alloy, February 28, 1949
SRM 88Dolomite, May 1, 1928
SRM 88aDolomitic Limestone, July 22, 1982
SRM 91Opal Glass Powder, October 28, 1982
SRM 93Borosilicate Glass, July 10, 1933
SRM 94Zinc-Base Die-Casting Alloy, Provisional, April 1, 1930
SRM 94aZinc-Base Alloy (Die-Casting), April 7, 1948
SRM 94bZinc-Base Alloy (Die-Casting), Provisional, March 1, 1954
SRM 95Zinc-Base Die-Casting Alloy, Provisional, April 1, 1930
SRM 96Zinc-Base Die-Casting Alloy, Provisional, April 1, 1930
SRM 97Flint Clay, August 31, 1931
SRM 97aFlint Clay, October 8, 1969
SRM 98Plastic Clay, August 31, 1931
SRM 98aPlastic Clay, October 8, 1969
SRM 99Soda Feldspar, March 28, 1931
SRM 100Manganese Rail Steel, June 10, 1931
SRM 100aManganese Rail Steel, May 12, 1948
SRM 10118 Chromium-8 Nickel Steel, April 1, 1933
SRM 101a18 Chromium-8 Nickel Steel, November 24, 1939
SRM 101b18 Chromium-8 Nickel Steel, May 10, 1944
SRM 101c18 Chromium-9 Nickel Steel, March 29, 1948
SRM 101d18 Chromium-9 Nickel Steel, March 31, 1955
SRM 101e18 Chromium-9 Nickel Steel, March 24, 1961
SRM 101f18Cr-10Ni Steel (AISI 304L), May 19, 1970
SRM 102Silica Brick, April 29, 1932
SRM 103Chrome Refractory, May 10, 1934
SRM 103aChrome Refractory, September 28, 1962
SRM 104Burned Magnesite, July 10, 1933
SRM 105LA Steel, High S, August 10, 1981
SRM 106Chromium-Molybdenum-Aluminum Steel, April 19, 1933
SRM 106aChromium-Molybdenum-Aluminum Steel, August 29, 1944
SRM 107Nickel Chromium-Molybdenum Cast Iron, May 10, 1933
SRM 107aNickel Chromium-Molybdenum Cast Iron, September 28, 1950
SRM 107bNickel Chromium-Molybdenum Cast Iron, November 1, 1962
SRM 108Spelter, Provisional, May 24, 1928
SRM 109Spelter, Provisional, May 24, 1928
SRM 110Spelter, Provisional, May 24, 1938
SRM 111Nickel-Molybdenum Steel, May 25, 1934
SRM 111aNickel-Molybdenum Steel, November 19, 1943
SRM 111bNickel-Molybdenum Steel, October 17, 1941
SRM 112Silicon Carbide, May 26, 1937
SRM 113Zinc Ore, Provisional, September 25, 1941
SRM 113aZinc Concentrates, December 29, 1975
SRM 114Portland Cement, Provisional, April 11, 1934
SRM 114bPortland Cement, Provisional, June 15, 1937
SRM 114cPortland Cement, Provisional, August 10, 1938
SRM 114dPortland Cement, Provisional, March 12, 1941
SRM 114ePortland Cement, Provisional, December 5, 1944
SRM 114fPortland Cement, July 1, 1947
SRM 114gPortland Cement, March 26, 1951
SRM 114hPortland Cement, March 16, 1953
SRM 114iPortland Cement, May 5, 1956
SRM 114jPortland Cement, January 25, 1961
SRM 114kPortland Cement, November 9, 1965
SRM 114lPortland Cement, August 25, 1967
SRM 114mPortland Cement, Provisional, February 13, 1973
SRM 114nPortland Cement Fineness Standard, February 26, 1982
SRM 114pPortland Cement Fineness Standard, June 17 2003
SRM 115Copper-Nickel-Chromium Cast Iron Steel, November 6, 1935
SRM 116Ferrotitanium, August 16, 1939
SRM 116aFerrotitanium (Low Carbon), March 10, 1947
SRM 117Ferrotitanium (High Carbon), August 16, 1939
SRM 118Alumel, August 16, 1935
SRM 119Chromel P, August 16, 1935
SRM 120Phosphate Rock (Florida Land Pebble), April 4, 1939
SRM 120aPhosphate Rock (Florida), Provisional, July 25, 1961
SRM 120bPhosphate Rock (Florida), July 31, 1972
SRM 12118-Chromium-8 Nickel Steel, January 10, 1939
SRM 121a18 Chromium-10 Nickel Steel, August 4, 1944
SRM 121b18-Chromium-11 Nickel Steel, November 3, 1954
SRM 121c18 Cr-10 Ni, Provisional, November 12, 1965
SRM 122Cast Iron (Car-Wheel), March 2, 1938
SRM 122aCast Iron (Car-Wheel), July 9, 1945
SRM 122bCast Iron (Car-Wheel), January 20, 1950
SRM 122cCast Iron (Car-Wheel), March 31, 1955
SRM 122dCast Iron (Car-Wheel), November 29, 1957
SRM 122eCast Iron Car Wheel, November 6, 1969
SRM 122fCast Iron Car Wheel, October 1, 1975
SRM 122gCast Iron Car Wheel, April 2, 1979
SRM 122hCast Iron Car Wheel, April 28, 1983
SRM 12318 Chromium-11 Nickel Steel, March 25, 1939
SRM 123a18 Chromium-11 Nickel Steel (Columbium Bearing), Provisional, June 3, 1943
SRM 123bNiobium-Tantalum Stabilized Stainless Steel, Provisional, March 9, 1953
SRM 124Ounce Metal, June 1, 1939
SRM 124aOunce Metal, October 7, 1944
SRM 124bOunce Metal, November 25, 1947
SRM 124cOunce Metal, April 30, 1954
SRM 124dOunce Metal, November 6, 1970
SRM 125Steel (High-Silicon), December 28, 1938
SRM 125aHigh-Silicon Steel , Provisional, September 17, 1954
SRM 126High-Nickel Steel (Furnished by Carpenter Steel Company), December 7, 1939
SRM 126aHigh-Nickel Steel, April 22, 1946
SRM 126bHigh-Nickel Steel, August 20, 1957
SRM 127Solder, Provisional, June 12, 1942
SRM 127aSolder, August 20, 1951
SRM 128Soda-Lime Glass, Provisional, April 27, 1939
SRM 129High-Sulfur Steel, Provisional, June 1, 1939
SRM 129aBessemer Steel, 0.1% Carbon, May 10, 1945
SRM 129bBessemer Steel, 0.1 % Carbon, December 30, 1957
SRM 130Steel Lead-Bearing, January 11, 1940
SRM 130aSteel Lead-Bearing, September 10, 1957
SRM 131Low-Carbon Silicon Steel, May 25, 1949
SRM 131aLow-Carbon Silicon Steel, March 10, 1965
SRM 131bLow-Carbon Silicon Steel, July 16, 1969
SRM 131cLow-Carbon Silicon Steel, June 2, 1977
SRM 131dLow Carbon Silicon Steel, December 17, 1986
SRM 131eLow Carbon Silicon Steel, November 13, 1991
SRM 131fLow Carbon Silicon Steel, May 20, 1997
SRM 131gLow Alloy Silicon Steel, September 10, 2001
SRM 132Molybdenum-Tungsten-Chromium-Vanadium Steel, September 24, 1942
SRM 132aMolybdenum-Tungsten-Chromium-Vanadium Steel, March 1, 1955
SRM 133Chromium-Molybdenum Steel, April 18, 1944
SRM 133aChromium-Molybdenum Steel, June 8, 1956
SRM 134Molybdenum-Tungsten-Chromium-Vanadium Steel, February 2, 1944
SRM 135Chromium-Molybdenum Steel, November 30, 1943
SRM 136Potassium Dichromate (Oxidimetric Standard), May 11, 1948
SRM 136aPotassium Dichromate (Oxidimetric Standard), Provisional, July 16, 1953
SRM 136bPotassium Dichromate (Oxidimetric Standard), Provisional, June 30, 1961
SRM 136cPotassium Dichromate (Oxidimetric Standard), Provisional, March 24, 1970
SRM 136dPotassium Dichromate (Oxidimetric Standard), August 1, 1981
SRM 136ePotassium Dichromate (Oxidimetric Standard), April 18, 2000
SRM 137Tin Ore (Bolivian Concentrate), Provisional, November 16, 1942
SRM 138Tin Ore Netherlands East Indies, Provisional, February 17, 1943
SRM 139Chromium-Nickel-Molybdenum Steel, August 14, 1946
SRM 139aChromium-Nickel-Molybdenum Steel, December 17, 1959
SRM 140Benzoic Acid, Provisional, May 13, 1942
SRM 140aBenzoic Acid, December 10, 1957
SRM 140bBenzoic Acid, November 27, 1961
SRM 141Microchemical Standard Acetanilide, May 13, 1942
SRM 141aMicrochemical Standard Acetanilide, Provisional, March 1, 1962
SRM 141bAcetanilide, November 23, 1965
SRM 141cAcetanilide, September 27, 1976
SRM 141dAcetanilide, May 8. 2012
SRM 142Anisic Acid, July 9, 1969
SRM 143Cystine, Provisional, November 23, 1942
SRM 143aCystine, Provisional, December 12, 1957
SRM 143bCystine, July 9, 1969
SRM 143cCystine, November 5, 1991
SRM 1442-Chlorobenzoic Acid, Provisional, August 12, 1946
SRM 1452-Idobenzoic Acid, Provisional, August 12, 1946
SRM 146Trialphanaphthyl Phosphate, Provisional, August 12, 1946
SRM 147Triphenyl Phosphate, July 9, 1969
SRM 148Nicotinic Acid, Provisional, December 22, 1970
SRM 149Fluorobenzoic Acid, May 3, 1968
SRM 151Boron Steel, Provisional, November 11, 1943
SRM 152Basic Open-Hearth Steel, February 27, 1947
SRM 153Cobalt-Molybdenum Tungsten Steel, October 17, 1945
SRM 153aCobalt-Molybdenum Tungsten Steel, January 5, 1960
SRM 154Titanium Oxide, Provisional, February 18, 1943
SRM 154aTitanium Oxide, Provisional, April 25, 1966
SRM 154bTitanium Oxide, September 11, 1973
SRM 154cTitanium Dioxide, January 19, 2011
SRM 156Chromium-Nickel-Molybdenum Steel, April 20, 1946
SRM 157Copper-Nickel-Zinc Alloy, May 10, 1948
SRM 157aCopper-Nickel-Zinc Alloy, October 16, 1958
SRM 158Silicon Bronze, September 12, 1951
SRM 159Chromium-Molybdenum-Silver Steel, October 15, 1948
SRM 16019 Chromium 9 Nickel 3 Molybdenum Steel, March 2, 1949
SRM 160a19 Chromium-14 Nickel 3 Molybdenum Steel, March 2, 1959
SRM 161Nickel Chromium Casting Alloy (64 Ni-17 Cr), January 14, 1953
SRM 162Nickel Copper Alloy (66 Ni-29 Cu), March 21, 1949
SRM 162aNickel-Copper Alloy (64 Ni-31 Cu), December 18, 1958
SRM 164Manganese - Aluminum Bronze, September 7, 1951
SRM 164aAluminum Bronze, Provisional, December 4, 1958
SRM 165Glass Sand, Provisional, January 26, 1948
SRM 166Low-Carbon Stainless Steel, March 16, 1950
SRM 166aLow-Carbon Stainless Steel, Provisional, November 18, 1955
SRM 166bLow-Carbon Stainless Steel, June 7, 1961
SRM 167Heat Resisting Alloy, Provisional, October 18, 1954
SRM 168Heat Resisting Alloy, Provisional, January 12, 1956
SRM 169Electrical-Heating Alloy (77 Ni-20 Cr), October 26, 1953
SRM 170Basic Open-Hearth Steel, 0.04% Carbon, September 25, 1953
SRM 170aBasic Open-Hearth Steel, 0.05% Carbon, November 19, 1959
SRM 171Magnesium-base Alloy, November 27, 1951
SRM 172Ferroboron, July 7, 1959
SRM 173Titanium Base Alloy (6AL-4V), Provisional, April 15, 1957
SRM 173aTitanium Base Alloy (6AL-4V), Provisional, April 25, 1966
SRM 173bTitanium Base Alloy (6AL-4V), December 17, 1984
SRM 174Titanium Base Alloy (4Al-4Mn), Provisional, July 15, 1957
SRM 176Titanium Base Alloy (5 Al 2.5 Sn), October 1, 1981
SRM 177Portland Cement, November 25, 1957
SRM 184Leaded Tin Bronze, February 26, 1973
SRM 185aPotassium Hydrogen Phthalate, September 19, 1952
SRM 185bPotassium Hydrogen Phthalate, August 1, 1955
SRM 185cPotassium Hydrogen Phthalate, October 1, 1958
SRM 185dPotassium Hydrogen Phthalate, April 24, 1967
SRM 185ePotassium Hydrogen Phthalate, December 5, 1972
SRM 185fPotassium Hydrogen Phthalate, January 31, 1984
SRM 185gPotassium Hydrogen Phthalate, February 13, 1991
SRM 185hPotassium Hydrogen Phthalate, November 11, 2003
SRM 186-I-aPotassium Dihydrate Phosphate, November 13, 1945
SRM 186-I-bPotassium Dihydrate Phosphate, August 5, 1965
SRM 186-I-cPotassium Dihydrate Phosphate, September 1, 1970
SRM 186-I-dPotassium Dihydrate Phosphate, March 11, 1988
SRM 186-I-ePotassium Dihydrate Phosphate, February 12, 1991
SRM 186-I-fPotassium Dihydrate Phosphate, November 15, 2001
SRM 186-I-gDisodium Hydrogen Phosphate, May 23, 2003
SRM 186-II-aDisodium Hydrogen Phosphate, November 13, 1945
SRM 186-II-bDisodium Hydrogen Phosphate, August 5, 1965
SRM 186-II-cDisodium Hydrogen Phosphate, September 1, 1970
SRM 186-II-dDisodium Hydrogen Phosphate, March 11, 1988
SRM 186-II-eDisodium Hydrogen Phosphate, February 12, 1991
SRM 186-II-fDisodium Hydrogen Phosphate, November 15, 2001
SRM 186-II-gDisodium Hydrogen Phosphate, May 23, 2003
SRM 187Borax (pH Standard), January 13, 1947
SRM 187aBorax (pH Standard) Purity, January 5, 1960
SRM 187bBorax, September 9, 1970
SRM 187cSodium Tetraborate Decahydrate (Borax) pH Standard, May 24, 1993
SRM 187dSodium Tetraborate Decahydrate (Borax) pH Standard, January 6, 2004
SRM 187eSodium Tetraborate Decahydrate (Borax) pH Standard, May 30, 2014
SRM 189Potassium Tetroxalate Purity, January 6, 1954
SRM 189Potassium Tetroxalate Purity, January 10, 1964
SRM 189aPotassium Tetroxalate Purity, February 13, 1991
SRM 189bPotasium Tetroxalate, pH, December 21, 2005
SRM 191Sodium Bicarbonate, July 15, 1968
SRM 191-I-cSodium Bicaronate, December 1, 2003
SRM 191-II-cSodium Carbonate, December 1, 2003
SRM 191aSodium Bicarbonate, July 2, 1993
SRM 191bSodium Bicarbonate, May 5, 1998
SRM 191cpH Standards, July 20, 2009
SRM 192Sodium Carbonate, July 15, 1968
SRM 192aSodium Carbonate, July 2, 1993
SRM 192bSodium Carbonate, pH, May 5, 1998
SRM 194Ammonium Dihydrogen Phosphate, September 1, 1992
SRM 200Potassium Dihydrogen Phosphate, October 20, 1995
SRM 200aPotassium Dihydrogen Phosphate, June 26, 2009
SRM 211aToluene, December 1, 1944
SRM 211cToluene, September 14, 1984
SRM 2172,2,4-Trimethylpentane Material
SRM 217a2,2,4-Trimethylpentane Material, March 1, 1957
SRM 217b2,2,4-Trimethylpentane Material, September 28, 1962
SRM 217c2,2,4-Trimethylpentane Material, Septmber 14, 1984
SRM 218Methycyclohexane
SRM 218aMethycyclohexane Material
SRM 276Tungsten Carbide, April 25, 1974
SRM 276aTungsten Carbide, May 30, 1980
SRM 276bTungsten Carbide, June 2, 1994
SRM 278Obsidian Rock, August 19, 1981
SRM 291Cr-Mo Steel (ASTM A-213), Preprint, March 27, 1975
SRM 300Toluidine-Red-Toner, May 6, 1944
SRM 301Yellow Ocher, August 17, 1944
SRM 302Raw Sienna, September 8, 1944
SRM 303Burnt Sienna, October 10, 1944
SRM 304Raw Amber, October 10, 1944
SRM 305Burnt Amber, October 11, 1944
SRM 306Venetian Red, October 25, 1944
SRM 307Metallic Brown, November 3, 1944
SRM 308Indian Red, November 4, 1944
SRM 309Mineral Red, November 3, 1944
SRM 310Bright Red Oxide, November 4, 1944
SRM 311Carbon Black (High Color), November 7, 1944
SRM 312Carbon Black (All-Purpose), November 7, 1944
SRM 313Black Iron Oxide, August 28, 1945
SRM 314Yellow Iron Oxide, Light-Lemon, August 28, 1945
SRM 315Yellow Iron Oxide, Lemon, August 28, 1945
SRM 316Yellow Iron Oxide, Orange, August 28, 1945
SRM 317Yellow Iron Oxide, Dark Orange, August 28, 1945
SRM 318Lampblack, August 28, 1945
SRM 319Primrose Chrome Yellow, November 6, 1945
SRM 320Lemon Chrome Yellow, November 6, 1945
SRM 321Medium Chrome Yellow, November 6, 1945
SRM 322Light Chrome Orange, November 6, 1945
SRM 323Dark Chrome Orange, November 6, 1945
SRM 324Ultramarine Blue, March 15, 1946
SRM 325Iron-Blue, March 15, 1946
SRM 326Light Chrome Green
SRM 327Medium Chrome Green, June 24, 1946
SRM 328Dark Chrome Green, June 24, 1946
SRM 330Copper Ore Mill Heads, August 1, 1991
SRM 332Copper Concentrate, June 26, 1977
SRM 333Molybdenum Concentrate, January 20, 1977
SRM 333aMolybdenum Sulfide Concentrate, February 16, 2018
SRM 335Basic Open Hearth Steel, 0.1% Carbon, April 7, 1966
SRM 336Cr-V Steel, 0.6 C (Carbon Only), June 19, 1973
SRM 336Cr-V Steel, 0.6 C (Carbon Only), January 26, 1979
SRM 337Basic Open-Hearth Steel, 1.1% Carbon, August 16, 1966
SRM 337aBasic Open-Hearth Steel, 1% Carbon, April 8, 1985
SRM 340Ferroniobium, November 9, 1970
SRM 341Ductile Iron, April 6, 1961
SRM 342Nodular Cast Iron, Provisional, June 6, 1961
SRM 342Nodular Cast Iron, January 5, 1962
SRM 343Stainless Steel, May 28, 1962
SRM 34516-Chromium-4 Nickel Steel, January 23, 1964
SRM 346Valve Steel, July 14, 1965
SRM 348High Temperature Alloy, October 1, 1981
SRM 349Waspaloy, September 2, 1981
SRM 350Benzoic Acid, April 15, 1958
SRM 350aBenzoic Acid, March 14, 1995
SRM 351Sodium Carbonate, April 26, 2006
SRM 352Unalloyed Titanium for Hydrogen (0.003%), August 7, 1961
SRM 352aUnalloyed Titanium for Hydrogen (0.003%), June 16, 1980
SRM 352bUnalloyed Titanium for Hydrogen (0.003%), August 22, 1983
SRM 352cUnalloyed Titanium for Hydrogen (0.003%), June 14, 1990
SRM 353Unalloyed Titanium for Hydrogen (0.01 %), August 7, 1961
SRM 354Unalloyed Titanium for Hydrogen (0.02%), August 7, 1961
SRM 355Oxygen and Titanium Base Materials (By Vacuum Inert Gas Fusion Methods), September 8, 1966
SRM 356Oxygen and Titanium Base Materials (By Vacuum Inert Gas Fusion Methods), September 8, 1966
SRM 357Gasometric Standard for Unalloyed Zirconium, June 16, 1980
SRM 358Gastometric Standard for Unalloyed Zirconium, June 16, 1980
SRM 360Zircaloy-2, November 19, 1962
SRM 360aZircaloy-2, June 30, 1967
SRM 362LA Steel (AISI 94B17) (modified), February 24, 1981
SRM 365Electrolytic Iron, June 12, 1989
SRM 367Stainless Steel (AISI 446), March 15, 1995
SRM 368Steel (AISI 1211), January 1, 1978
SRM 385bNatural Rubber, August 15, 1967
SRM 386fStyrene Butadiene Rubber (Type 1500), October 15, 1965
SRM 386gStyrene Butadiene Rubber (Type 1500), October 10, 1969
SRM 386hStyrene Butadiene Rubber (Type 1500), March 10, 1975
SRM 386jStyrene Butadiene Rubber (Type 1500), January 2, 1985
SRM 386kStyrene Butadiene Rubber (Type 1500), October 5, 1992
SRM 388cIsobutylene-Isoprene (Butyl) Rubber, March 1, 1965
SRM 388dIsobutylene-Isoprene (Butyl) Rubber, April 17, 1967
SRM 388eIsobutylene-Isoprene (Butyl) Rubber, February 13, 1969
SRM 388fIsobutylene-Isoprene (Butyl) Rubber, April 7, 1972
SRM 388iIsobutylene-Isoprene (Butyl) Rubber, January 2, 1978
SRM 388jIsobutylene-Isoprene (Butyl) Rubber,
SRM 388kIsobutylene-Isoprene (Butyl) Rubber, March 19, 1980
SRM 388lIsobutylene-Isoprene (Butyl) Rubber, December 3, 1982
SRM 388mIsobutylene-Isoprene (Butyl) Rubber, September 10. 1985
SRM 388nIsobutylene-Isoprene (Butyl) Rubber, March 23, 1987
SRM 388pIsobutylene-Isoprene (Butyl) Rubber, December 31, 1989
SRM 389Styrene Butadiene Rubber, June 2, 1966
SRM 390Butyl Rubber (Standard for Mooney Viscosity), April 12, 1967
SRM 391Acrylonitrile-Butadiene Rubber, February 14, 1969
SRM 393Unalloyed Copper (CU 0), September 16, 1980
SRM 394Unalloyed Copper (CU 1), April 10, 1986
SRM 401 to 430Spectrographic Steel Standards, May 5, 1965
SRM 403a, 407a, 409Spectrographic Steel Standards, Provisional, July 29, 1953
SRM 405aSpectrographic Standard Samples Medium Manganese Steel, November 15, 1951
SRM 409aSpectrographic Steel Standard, Provisional, August 15, 1952
SRM 425Spectrographic Boron Steel Standards, August 2, 1951
SRM 426Spectrographic Boron Steel Standards, August 2, 1951
SRM 427Spectrographic Boron Steel Standards, August 2, 1951
SRM 428Spectrographic Boron Steel Standards, August 2, 1951
SRM 429Spectrographic Boron Steel Standards, August 2, 1951
SRM 430Spectrographic Boron Steel Standards, August 2, 1951
SRM 436 to 441Spectrographic Tool Steel Standards, September 22, 1959
SRM 442Spectrographic Stainless Steel Standards (Group I), October 25, 1965
SRM 443Spectrographic Stainless Steel Standards (Group I), October 25, 1965
SRM 444Spectrographic Stainless Steel Standards (Group I), October 25, 1965
SRM 445Spectrographic Stainless Steel Standards (Group II), January 19, 1966
SRM 446Spectrographic Stainless Steel Standards (Group II), January 19, 1966
SRM 447Spectrographic Stainless Steel Standards (Group II), January 19, 1966
SRM 448Spectrographic Stainless Steel Standards (Group II), January 19, 1966
SRM 448Spectrographic Stainless Steel Standards (Group II), October 6, 1983
SRM 449Spectrographic Stainless Steel Standards (Group II), January 19, 1966
SRM 450Spectrographic Stainless Steel Standards (Group II), January 19, 1966
SRM 461Spectrographic Ingot Iron and Low-Alloy Steel Standards, August 1, 1981
SRM 462Spectrographic Ingot Iron and Low-Alloy Steel Standards, August 1, 1981
SRM 463Spectrographic Ingot Iron and Low-Alloy Steel Standards, August 1, 1981
SRM 464Spectrographic Ingot Iron and Low-Alloy Steel Standards, August 1, 1981
SRM 465Spectrographic Ingot Iron and Low-Alloy Steel Standards, August 1, 1981
SRM 466Spectrographic Ingot Iron and Low-Alloy Steel Standards, August 1, 1981
SRM 467Spectrographic Ingot Iron and Low-Alloy Steel Standards, August 1, 1981
SRM 468Spectrographic Ingot Iron and Low-Alloy Steel Standards, August 1, 1981
SRM 469Scanning Electronic Microscope Resolution Test Specimen (Aluminum Tungsten Dendrites), January 6, 1981
SRM 470Mineral Glasses for Microanalysis, October 30, 1981
SRM 471Portland Cement, June 3, 1947
SRM 473Optical Microscope Linewidth Measurement Standard, January 30, 1997
SRM 474Optical Microscope Linewidth Measurement Standard, August 27, 1981
SRM 475Optical Microscope Linewidth Measurement Standard, April 21, 1981
SRM 475Optical Microscope Linewidth Measurement Standard, January 29, 1992
SRM 476Optical Microscope Linewidth Measurement Standard, September 7, 1990
SRM 477Glass Flourescence Source, February 23, 1983
SRM 478Microprobe Standard Cartridge - Brass, February 28, 1974
SRM 479Fe-Cr-Ni Alloy Microprobe Standard, October 16, 1972
SRM 479aFe-Cr-Ni Alloy Microprobe Standard, November 1, 1980
SRM 483Fe-3Si Alloy Microprobe Standard, June 11, 1971
SRM 484Scanning Electron Microscope Magnification Standard (A Stage Micrometer Scale), February 1, 1977
SRM 484aScanning Electron Microscope Magnification Standard (A Stage Micrometer Scale), December 5, 1978
SRM 484bScanning Electron Microscope Magnification Standard (A Stage Micrometer Scale), November 26, 1980
SRM 484dScanning Electron Microscope Magnification Standard, July 22, 1985
SRM 484eScanning Electron Microscope Magnification Standard (A Stage Micrometer Scale), August 30, 1988
SRM 484fScanning Electron Microscope Magnification Standard (A Stage Micrometer Scale), March 24, 1992
SRM 484gScanning Electron Microscope Magnification Standard (A Stage Micrometer Scale), September 10, 1996
SRM 485Austenite in Ferrite, August 23, 1972
SRM 48615 % Austenite in Ferrite, March 6, 1981
SRM 48730 % Austenite in Ferrite, May 14, 1982
SRM 4882 1/2 % Austenite in Ferrite, April 12, 1993
SRM 493Speroidized Iron Carbide (Fe3C) in Ferrite, March 7, 1985
SRM 592Hydrocarbon Blend Number 1, April 1, 1961
SRM 593Hydrocarbon Blend Number 2, April 1, 1961
SRM 594Hydrocarbon Blend Number 3, April 1, 1961
SRM 595Hydrocarbon Blend Number 4, April 1, 1961
SRM 596Hydrocarbon Blend Number 5, April 1, 1961
SRM 597Hydrocarbon Blend Number 6, April 1, 1961
SRM 598Hydrocarbon Blend Number 7, April 1, 1961
SRM 599Hydrocarbon Blend Number 8, April 1, 1961
SRM 601Spectrographic Aluminum Standards, August 14, 1951
SRM 602Spectrographic Aluminum Standards, August 14, 1951
SRM 603Spectrographic Aluminum Standards, August 14, 1951
SRM 604Spectrographic Aluminum Standards, August 14, 1951
SRM 633Portland Cement (Cap Color is Red), December 15, 1983
SRM 634Portland Cement (Cap Color is Gold, December 15, 1983
SRM 635Portland Cement (Cap Color is Blue), December 15, 1983
SRM 636Portland Cement (Cap Color is Yellow), December 15, 1983
SRM 637Portland Cement Cap Color is Pink, December 15, 1983
SRM 638Portland Cement (Cap Color is Green), December 15, 1983
SRM 639Portland Cement (Cap Color is Clear), December 15, 1983
SRM 640Silicon Powder Lattice Parameter (X-Ray Diffraction Standard), August 7, 1974
SRM 640aSilicon Powder 20/d-Spacing Standard for X-Ray Diffraction, February 19, 1982
SRM 640bSilicon Powder 20/d-Spacing Standard for X-Ray Diffraction, January 14, 1987
SRM 640cSilicon Powder Line Position and Line Shape Std for Powder Diffraction, September 13, 2000
SRM 640dSilicon Powder Line Position and Line Shape Std for Powder Diffraction, May 26, 2010
SRM 640eLine Position and and Line Shape Standard for Powder Diffraction (Silicon Powder), October 29, 2015
SRM 644Spectroscopic Titanium Base Standards, January 26, 1960
SRM 645Spectroscopic Titanium Base Standards, January 26, 1960
SRM 646Spectroscopic Titanium Base Standards, January 26, 1960
SRM 652Unalloyed Titanium C, November 18, 1985
SRM 653Titanium Alloy, 6 Aluminum 4 Vanadium, Provisional, May 14, 1959
SRM 654Titanium Alloy, 6 Aluminum 4 Vanadium, Provisional, May 14, 1959
SRM 654aTitanium Alloy, 6 Aluminum 4 Vanadium, October 15, 1981
SRM 655Titanium Alloy, 6 Aluminum 4 Vanadium, Provisional, May 14, 1959
SRM 660Line Profile, LaB6 (XRD), June 1, 1989
SRM 660aLine Profile LaB6, September 13, 2000
SRM 662AISI 94B17 Steel (Modified), September 15, 1981
SRM 664LA Steel, High Carbon, October 1, 1981
SRM 674X-Ray Powder Diffraction Intensity Set, June 1, 1983
SRM 674aX-Ray Powder Diffraction Intensity Set, January 15, 1989
SRM 680High-Purity and Doped Platinum, Provisional, December 28, 1967
SRM 680aHigh-Purity Platinum, July 19, 1995
SRM 681High-Purity and Doped Platinum, Provisional, December 28, 1967
SRM 682High-Purity Zinc, July 9, 1968
SRM 683Zinc Metal, Provisional, July 9, 1968
SRM 683Zinc Metal, October 1, 1981
SRM 685High-Purity Gold, October 1, 1981
SRM 689Ferrochromium Silicon, February 24, 1982
SRM 690Ire Ore Concentrate (Canada), October 24, 1978
SRM 691Reduced Iron Oxide, April 12, 1982
SRM 692Ire Ore, (Labrador), October 24, 1978
SRM 693Ire Ore, (Nimba), October 24, 1978
SRM 694Western Phosphate Rock, June 21, 1984
SRM 696Bauxite (Surinam), August 24, 1979
SRM 698Bauxite (Jamaican), August 24, 1979
SRM 699Alumina (Reduction Grade), October 17, 2002
SRM 700Standard Light Sensitive, June 1, 1963
SRM 701bBooklet of Faded Strips of Light-Sensitive Paper, April 24, 1967
SRM 701cBooklet of Faded Strips of Light-Sensitive Paper, October 1, 1971
SRM 701dBooklet of Fades Strips of Light-Sensitive Paper, January 15, 1977
SRM 702Light-Sensitive Plastic Chip 0.124 inch, November 1, 1966
SRM 703Light Sensitive Plastic Chip 0.060 inch, November 1, 1966
SRM 704Internal Tearing Resistance of Paper, November 1, 1963
SRM 704aInternal Tearing Resistance of Paper
SRM 705Polystyrene (Narrow Molecular Weight Distribution)
SRM 706Polystyrene (Broad Molecular Weight Distribution), April 17, 1995
SRM 707Water Vapor Permeance, January 17, 1972
SRM 708Lead Silica Glass and Borosilicate Glass, September 15, 1973
SRM 709Extra Dense Lead Glass, Preprint, December 13, 1972
SRM 710Soda-Lime-Silica Glass, June 29, 1962
SRM 711Lead Silica Glass, July 1, 1964
SRM 712, 713, 714Softening, Annealing and Strain Points, October 19, 1966
SRM 717aBorosilicate Glass, August 7, 1995
SRM 718Polycrystalline Alumina Elasticity Standard, April 28, 1972
SRM 722Metals in Heavy Oil
SRM 7232 Amino-2-(hydroxymethyl)-1,3-propanediol{tris(Hydroxymethyl)aminomethane] (HOCH2)3CNH2 Basimetric, July 14, 1970
SRM 723a2 Amino-2-(hydroxymethyl)-1,3-propanediol{tris(Hydroxymethyl)aminomethane] (HOCH2)3CNH2 Basimetric, April 20, 1981
SRM 723b2-Amino-2-(hydroxymethyl)-1,3-propanediol [tris(Hydroxymethyl)aminomethane] (HOCH2)3CNH2 Basimetric, April 12, 1993
SRM 723c2-Amino-2-(hydroxymethyl)-1,3-propanediol [tris(Hydroxymethyl)aminomethane] (HOCH2)3CNH2 Basimetric,January 30, 1998
SRM 723dTris Acidimetric, October 3, 2011
SRM 724Tris(hydroxymethyl) aminomethane, (HOCHN2)3CNH2 for Solution Calorimetry, April 14, 1972
SRM 724aTris(hydroxymethyl) aminomethane, (HOCHN2)3CNH2 for Solution Calorimetry, September 24, 1973
SRM 725Isomer Shift of Iron Compounds, April 6, 1966
SRM 727Rubidium Chloride Intermediate Purity, Provisional, January 30, 1967
SRM 728Intermediate Purity Zinc, November 16, 1987
SRM 730Thermal Conductivity Tungsten, May 18, 1976
SRM 731Borosilicate Glass Thermal Expanison, July 31, 1972
SRM 732Single Crystal Sapphire Thermal Expansion, October 3, 1977
SRM 733Silver-28 Atomic Percent Gold Thermocouple Wire, December 30, 1971
SRM 734Thermal Conductivity Electrolytic Iron, April 29, 1975
SRM 735Thermal Conductivity Austenitic Stainless Steel, March 5, 1975
SRM 736Copper Thermal Expansion, November 19, 1969
SRM 737Tungsten Thermal Expansion, May 19, 1976
SRM 738Stainless Steel (AISI) Thermal Expansion, November 17, 1986
SRM 739Fused-Silica Thermal Expansion, December 27, 1991
SRM 740Zinc Freezing Point on the Internal Practical Temperature Scale (1968) 419.58 °C, February 19, 1970
SRM 741Tin (Primary Freezing Point Standard 231.928 °C), June 26, 1990
SRM 742Aluminum Oxide Pyrometric Standard, June 5, 1970
SRM 743Mercury, April 22, 1976
SRM 745Gold-Vapor Pressure, August 27, 1990
SRM 746Cadmium-Vapor Pressure, August 11, 1970
SRM 748Silver-Vapor Pressure, February 1, 1991
GM 754ICTA Certified Reference Material Polystyrene
SRM 755Quartz (SiO2), Provisional, November 6, 1969
SRM 756Potassium Nitrate, Provisional, November 6, 1969
GM 757ICTA Certified Reference Material for Measurements Below 350K
GM 758ICTA Certified Reference Material for DTA Temperature Standards, June 11, 1971
SRM 758DTA Temperature Standards (125 435 °C), June 11, 1971
SRM 759DTA Temperature Standards (295 672 °C), June 11, 1971
GM 759ICTA Certified Reference Material for DTA Temperature Standards, June 11, 1971
GM 760ICTA Certified Reference Material for DTA Temperature Standards, June, 11, 1971
SRM 760DTA Temperature Standards (570 940 °C), June 11, 1971
GM 761ICTA Certified Reference Material for Thermogravimetry
SRM 763Magnetic Gram Susceptibility Aluminum, April 5, 1973
SRM 764Magnetic Gram Susceptibility Platinum, April 5, 1973
SRM 765Magnetic Gram Susceptibility Palladium, April 5, 1973
SRM 766Magnetic Gram Susceptibility Manganese Fluoride, April 5, 1973
SRM 767Superconductive Thermometric Fixed Point Device, June 5, 1974
SRM 767aSuperconductive Thermometric Fixed Point Device, February 14, 1992
SRM 768Superconductive Thermometric Fixed Point Device (0.015 K 0.208 K), December 13, 1978
SRM 769Electrical Residual Resistivity Ratio, November 15, 1982
SRM 772Magnetic Moment Standard Nickel Sphere, October 18, 1978
SRM 772aMagnetic Moment Standard Nickel Sphere, September 3, 1999
SRM 781Molybdenum Heat Capacity, April 1, 1977
SRM 785Radium Content of Standard Rock Sample (Dunite)
SRM 787Radium Content of Standard Rock Sample (Berea Sandstone)
SRM 789Radium Content of Standard Rock Sample Chelmsford Granite
SRM 791Radium Content of Standard Rock Sample (Graniteville Granite)
SRM 797Electrical Resistivity - Electrolytic Iron, April 29, 1975
SRM 798Electrical Resistivity - Austenitic Stainless Steel, March 4, 1975
SRM 799Electrical Resistivity - Tungsten, February 27, 1976
SRM 801 to 830Spectrographic Steel Standards, May 5, 1965
SRM 803a, 807a, 809Spectrographic Steel Standards, Provisional, July 23, 1953
SRM 805aSpectrographic Standard Samples Medium Maganese Steel, November 15, 1951
SRM 825Spectrographic Boron Steel Standards, August 2, 1951
SRM 826Spectrographic Boron Steel Standards, August 2, 1951
SRM 827Spectrographic Boron Steel Standards, August 2, 1951
SRM 828Spectrographic Boron Steel Standards, August 2, 1951
SRM 829Spectrographic Boron Steel Standards, August 2, 1951
SRM 830Spectrographic Steel Standards, August 2, 1951
SRM 836 to 841Spectrographic Tool Steel Standards, September 22, 1959
SRM 845Spectrographic Stainless Steel Standards (Group II), January 19, 1966
SRM d845Spectrographic Stainless Steel Standards (Group II), January 19, 1966
SRM 846Spectrographic Stainless Steel Standards (Group II), January 19, 1966
SRM d846Spectrographic Stainless Steel Standards (Group II), January 19, 1966
SRM 847Spectrographic Stainless Steel Standards (Group II), January 19, 1966
SRM d847Spectrographic Stainless Steel Standards (Group II), January 19, 1966
SRM 848Spectrographic Stainless Steel Standards (Group II), January 19, 1966
SRM d848Spectrographic Stainless Steel Standards (Group II), January 19, 1966
SRM 849Spectrographic Stainless Steel Standards (Group II), January 19, 1966
SRM d849Spectrographic Stainless Steel Standards (Group II), January 19, 1966
SRM 850Spectrographic Stainless Steel Standards (Group II), January 19, 1966
SRM d850Spectrographic Stainless Steel Standards (Group II), January 19, 1966
SRM 853Aluminum Alloy 3004, May 8, 1985
SRM 854Aluminum Alloy 5182, May 8, 1985
SRM 855Aluminum Casting Alloy 356, January 8, 1980
SRM 856Aluminum Casting Alloy 380, January 8, 1980
SRM 858Aluminum Alloy 6011, March 15, 1995
SRM 859Aluminum Alloy 7075, June 6, 1980
SRM 868High-Temperatuare Alloy (Fe-Ni-Co), May 18, 1987
SRM 869Column Selectivity Test Mixture for Liquid Chromatography (Polycyclic Aromatic Hydrocarbons), March 28,1990
SRM 869aColumn Selectivity Test Mixture for Liquid Chromatography (Polycyclic Aromatic Hydrocarbons), October 15, 2007
SRM 877LC Chiral Selectivity, October 30, 2000
SRM 886Refractory Gold Ore, April 12, 1993
SRM 900Antiepilepsy Drug Level Assay Standard, November 17, 1976
SRM 900aAntiepilespsy Drugs in Frozen Human Serum, February 10, 2016
SRM 909Human Serum, September 15, 1980
SRM 909aHuman Serum, February 24, 1993
SRM 909bHuman Serum, November 19, 2003
SRM 910Sodium Pyruvate, May 15, 1981
SRM 911Cholesterol, Provisional, October 20, 1967
SRM 911aCholesterol, March 5, 1980
SRM 911bCholesterol, April 15, 1994
SRM 912Urea, September 24, 1968
SRM 912aUrea, January 5, 2016
SRM 913Uric Acid, September 24, 1968
SRM 913aUric Acid, January 27, 2010
SRM 914Creatinine, September 24, 1968
SRM 914aCreatinine, December 16, 2015
SRM 915Calcium Carbonate, March 4, 1969
SRM 915aCalcium Carbonate, January 13, 1995
SRM 916Bilirubin, March 10, 1971
SRM 916aBilirubin, August 22, 2016
SRM 917D-Glucose (Dextrose), November 18, 1970
SRM 917aD-Glucose (Dextrose), August 31, 1989
SRM 917bD-Glucose (Dextrose), January 6, 2006
SRM 918Potassium Chloride (Clinical Standard), January 22, 1971
SRM 918aPotassium Chloride (Clinical Standard), April 17, 1995
SRM 918bPotassium Chloride (Clinical), February 5, 2007
SRM 919Sodium Chloride (Clinical Standard), August 6, 1973
SRM 919aSodium Chloride (Clinical Standard), April 23, 2004
SRM 920D-Mannitol, January 17, 1972
SRM 921Cortisol (Hydrocortisone), Preprint, February 15, 1973
SRM 922Tris(hydroxymethyl)aminomethane ph Standards, May 24, 1993
SRM 923Tris(hydroxymethyl)aminomethane hydrochloride ph Standards, May 24, 1993
SRM 924Lithium Carbonate, November 23, 1973
SRM 924aLithium Carbonate, June 12, 1995
SRM 9254-Hydroxy-3-Methoxy-DL-mandelic-Acid (VMA), Preprint, May 24, 1973
SRM 926Bovine Serum Albumin (Total Protein Standard), March 10, 1977
SRM 927Bovine Serum Albumin (7% Solution) (Total Protein Standard), December 31, 1979
SRM 927aBovine Serum Albumin (7% Solution) (Total Protein Standard), January 13, 1993
SRM 927bBovine Serum Albumin (7% Solution) (Total Protein Standard), June 6, 1995
SRM 927cBovine Serum Albumin (7% Solution) (Total Protein Standard), January 14, 2004
SRM 927dBovine Serum Albumin (7 % Solution) (Total Protein Standard), March 25, 2014
SRM 928Lead Nitrate (Clinical Standard), Preprint, November 1, 1975
SRM 929Magnesium Gluconate Dihydrate, March 2, 1993
SRM 930Glass Filters for Spectrophotometry, February 24, 1971
SRM 930aGlass Filters for Spectrophotmetry, May 15, 1973
SRM 930bGlass Filters for Spectrophotometry, February 24, 1975
SRM 930cGlass Filters for Spectrophotometry, May 29, 1976
SRM 930dGlass Filters for Spectrophotometry, October 18, 1993
SRM 930eGlass Filters for Spectrophotometry, May 16, 2000
SRM 931Liquid Absorbance Standards for Ultraviolet and Visible Spectrophotometry, January 17, 1972
SRM 931aLiquid Absorbance Standards for Ultraviolet and Visible Spectrophotometry, March 25, 1975
SRM 931bLiquid Absorbance Standards for Ultraviolet and Visible Spectrophotometry, November 10, 1977
SRM 931cLiquid Absorbance Standards for Ultraviolet and Visible Spectrophotometry, February 12, 1982
SRM 931dLiquid Absorbance Standards for Ultraviolet and Visible Spectrophotometry, October 20, 1986
SRM 931eLiquid Absorbance Standards for Ultraviolet and Visible Spectrophotometry, March 3, 1993
SRM 931fLiquid Absorbance Standards for Ultraviolet and Visible Spectrophotometry, February 4, 1999
SRM 931gLiquid Absorbance Standard for Ultraviolet and Visible Spectrophotometry, December 8, 2004
SRM 932Quartz Cuvette for Spectrophotometry, December 2, 1980
SRM 933Clinical Laboratory Thermometer, October 1, 1974
SRM 934Clinical Laboratoray Thermometer, June 18, 1990
SRM 935Crystalline Potassium Dichromate for Use as an Ultraviolet Absorbance Standard, June 1, 1977
SRM 935aCrystalline Potassium Dichromate for Use as a Ultraviolet Absorbance Standard, April 25, 1988
SRM 936Quinine Sulfate Dihydrate, April 1, 1979
SRM 937Iron Metal (Clinical Standard), June 9, 1978
SRM 9384-Nitrophenol, May 15, 1981
SRM 940Instruction for Phenol Thermometric Cells
SRM 941Naphthalene Thermometric Cells
SRM 942Phthalic Anhydride Thermometric Cells
SRM 943Benzoic Acid Thermometric Standard, September 12, 1962
SRM 944Plutonium Sulfate Tetrahydrate, February 14, 1969
SRM 945Plutonium Metal Standard Matrix Material, Provisional, April 6, 1971
SRM 946Plutonium Isotopic Standard, August 19, 1982
SRM 947Plutonium Isotopic Standard, August 19, 1982
SRM 948Plutonium Isotopic Standard, August 19, 1982
SRM 949aPlutonium Metal, December 10, 1964
SRM 949bPlutonium Metal, April 6, 1967
SRM 949cPlutonium Metal, November 18, 1969
SRM 949dPlutonium Metal, Provisional, January 23, 1973
SRM 949ePlutonium Metal, July 28, 1975
SRM 949fPlutonium Metal, September 13, 1982
SRM 950Uranium Oxide (U3O8), October 1, 1958
SRM 950aUranium Oxide (U3O8), December 1, 1961
SRM 950bUranium Oxide (U3O8), March 1, 1978
SRM 951Boric Acid, February 28, 1969
SRM 952Enriched Boric Acid, February 28, 1969
SRM 953Neutron Density Monitor Wire, Provisional, December 20, 1968
SRM 955Lead in Blood, December 18, 1984
SRM 955aLead in Blood, December 7, 1994
SRM 955bLead in Blood, January 21, 2004
SRM 956Electrolytes in Human Serum for Ion Selective Electrodes, June 13, 1990
SRM 956aElectrolytes in Human Serum for Ion Selective Electrodes, July 10, 2003
SRM 956bElectrolytes in Frozen Human Serum, September 12, 2006
SRM 956cElectrolytes in Frozen Human Serum, July 24, 2009
SRM 960Uranium Metal, May 12, 1972
SRM 961Fission Track Glass Standard (Wafers, 12 mm diameter and 3 mm thick), June 11, 1974
SRM 962Fission Track Glass (Wafers, 12 mm diameter and 3 mm thick), June 11, 1974
SRM 962aFission Track Glass (Wafers, 12 mm diameter and 2 mm thick), February 29, 1984
SRM 963Fission Track Glass (Wafers, 12 mm diameter and 3 mm thick), June 11, 1974
SRM 964Fission Track Glass (Wafers, 12 mm diameter and 3 mm thick, June 11, 1974
SRM 965Glucose in Frozen Human Serum, December 18, 1996
SRM 965aGlucose in Frozen Human Serum, September 29, 2008
SRM 966Toxic Metals in Bovine Blood, March 26, 2009
SRM 967Creatinine in Frozen Human Serum, January 24 2007
SRM 968Fat Soluble Vitamins in Human Serum, April 21, 1989
SRM 968aFat Soluble Vitamins in Human Serum, November 17, 1993
SRM 968bFat Soluble Vitamins in Human Serum, August 7, 1995
SRM 968cFat Soluble Vitamins in Human Serum, December 28, 1999
SRM 968dFat Soluble Viatamins, Carotenoids and Cholesterol in Human Serum, October 6, 2008
SRM 968eFat-Soluble Vitamins, Carotenoids, and Cholesterol in Human Serum, November 23, 2015
SRM 969Uranium Isotopic Standard Reference Material for Gamma Spectrometry Measurements, October 15, 1985
SRM 970Ascorbic Acid in Frozen Human Serum, October 18, 2004
SRM 970Ascorbic Acid in Frozen Human Serum, April 11. 2014
SRM 971Hormones in Frozen Human Serum, December 12, 2016
SRM 972Vitamin D in Human Serum, June 9, 2009
SRM 975Isotopic Standard for Chlorine, March 11, 1965
SRM 976Isotopic Standard for Copper, January 26, 1994
SRM 978Isotopic Standard for Silver, March 24, 1965
SRM 981Common Lead Isotopic Standard April 10, 1973
SRM 982Equal-Atom Isotopic Standard, March 25, 1991
SRM 983Radiogenic Lead Isotopic Standard, March 25, 1991
SRM 984Rubidium Chloride, Provisional, July 27, 1970
SRM 985Assay Isotopic Standard for Potassium, August 31, 1979
SRM 987Strontium Carbonate, May 1, 2000
SRM 988Strontium-84 Spike Assay and Isotopic Solution Standard, May 21, 1973
SRM 989Assay Isotopic Standard for Rhenium, February 19, 1974
SRM 990Assay Isotopic Standard for Silicon, August 1, 1975
SRM 991Lead-206 Spike Assay and Isotopic Solution Standard, Preprint, February 5, 1976
SRM 993Uranium-235 Spike Assay and Isotopic Standard, June 30, 1975
SRM 995Uranium-233 Spike Assay and Isotopic Standard, August 25, 1980
SRM 996Plutonium-244 Spike Assay and Isotopic Standard, June 10, 1081
SRM 997Isotopic Standard for Thallium, July 23, 1986
SRM 999Potassium Chloride (Primary Chemical), September 6, 1972
SRM 999aPotassium Chloride (Primary Chemical), April 17, 1995
SRM 999bPotassium Chloride (Primary Chemical), August 4, 2015
SRM 1001X-ray Film Step Tablet, December 30, 2005
SRM 1002aSurface Flammability Standard, October 30, 1964
SRM 1002bSurface Flammability Standard, March 1, 1968
SRM 1002cSurface Flammability Standard, December 13, 1978
SRM 1003Calibrated Glass Beads, Provisional, July 1, 1965
SRM 1003aCalibrated Glass Beads, June 1, 1990
SRM 1003bCalibrated Glass Beads, September 16, 1993
SRM 1004Calibrated Glass Beads, April 3, 1972
SRM 1004aCalibrated Glass Beads, December 17, 1993
SRM 1006Smoke Density Chamber Standard Non-flaming Exposure Condition, October 4, 1971
SRM 1006aSmoke Density Chamber Standard Non-flaming Exposure Condition, November 1, 1980
SRM 1006bSmoke Denisty Chamber Standard Non-flaming Exposure Condition, April 29, 1983
SRM 1006cSmoke Density Chamber Standard Non-flaming Exposure Condition, October 28, 1988
SRM 1006dSmoke Density Chamber Standard Non-flaming Exposure Condition, August 27, 1999
SRM 1007Smoke Density Chamber Standard Flaming Exposure Condition, October 4, 1971
SRM 1007aSmoke Density Chamber Standard Flaming Exposure Condition, February 27, 1976
SRM 1008Photographic Step Tablets, January 30, 2006
SRM 1009Photographic Step Tablet, August 18, 1978
SRM 1010Microcopy Resolution Test Chart
SRM 1010aMicrocopy Resolution Test Chart, June 1, 1990
SRM 1011Portland Cement, April 24, 1964
SRM 1013Portland Cement, Provisional, January 17, 1972
SRM 1014Portland Cement, Provisional, January 17, 1972
SRM 1015Portland Cement, April 24, 1964
SRM 1016Portland Cement, April 24, 1964
SRM 1017Glass Spheres, January 17, 1966
SRM 1017aCalibrated Glass Beads, September 24, 1971
SRM 1018Glass Spheres, January 17, 1966
SRM 1018aCalibrated Glass Beads, May 16, 1973
SRM 1019Glass Spheres, January 17, 1966
SRM 1019aGlass Spheres for Calibrating Test Sieves, October 22, 1984
SRM 1036Low Carbon Silicon Steel, September 1, 1982
SRM 1040Iron and Plain Carbon Steels for Oxygen and Nitrogen, December 6, 1957
SRM 1041Iron and Plain Carbon Steels for Oxygen and Nitrogen, December 6, 1957
SRM 1042Iron and Plain Carbon Steels for Oxygen and Nitrogen, December 6, 1957
SRM 1043Iron and Plain Carbon Steels for Oxygen and Nitrogen, December 6, 1957
SRM 1044Iron and Plain Carbon Steels for Oxygen and Nitrogen, December 6, 1957
SRM 1045Iron and Plain Carbon Steels for Oxygen and Nitrogen, December 6, 1957
SRM 1046Iron and Plain Carbon Steels for Oxygen and Nitrogen, December 6, 1957
SRM 1047Iron and Plain Carbon Steels for Oxygen and Nitrogen, December 6, 1957
SRM 1050Aluminum Cyclohexanebutyrate, October 31, 1960
SRM 1051aBarium Cyclohexanebutyrate, April 24, 1964
SRM 1051bBarium Cyclohexanebutyrate - July 15, 1968
SRM 1052aBis(1-phenyl-1,3-butanediono)oxovanadium(IV), April 24, 1964
SRM 1052bBis(1-phenyl-1,3-butanediono)oxovanadium(IV), March 1 ,1968
SRM 1053Cadmium Cyclohexanebutyrate, August 28, 1964
SRM 1054Calcium Cyclohexanebutyrate, October 31, 1960
SRM 1055Cobalt Cyclohexanebutyrate, October 31, 1960
SRM 1055aCobalt Cyclohexanebutyrate, October 31, 1960
SRM 1055bCobalt Cyclohexanebutyrate, July 23, 1968
SRM 1056Cupric Cyclohexanebutyrate, October 31, 1960
SRM 1056aCupric Cylohexanebutyrate, October 31, 1960
SRM 1057Dibutyltin Bis(2-ethylhexanoate), April 24, 1964
SRM 1057aDibutyltin Bis(2-ethylhexanoate), April 24, 1964
SRM 1059Lead Cyclohexanebutyrate, October 31, 1960
SRM 1059aLead Cyclohexanebutyrate, April 24, 1964
SRM 1059bLead Cyclohexanebutyrate, July 15, 1967
SRM 1059cLead Cyclohexanebutyrate, September 18, 1987
SRM 1060Lithium Cyclohexanebutyrate, October 31, 1960
SRM 1060aLithium Cyclohexanebutyrate, April 24, 1964
SRM 1061Magnesium Cyclohexanebutyrate, October 31, 1960
SRM 1061aMagnesium Cyclohexanebutyrate, November 15, 1963
SRM 1061bMagnesium Cyclohexanebutyrate, January 3, 1968
SRM 1061cMagnesium Cyclohexanebutyrate, October 1, 1981
SRM 1062Manganous Cyclohexanebutyrate, April 24, 1964
SRM 1062aManganous Cyclohexanebutyrate, April 24, 1964
SRM 1062bManganous Cyclohexanebutyrate, April 12, 1976
SRM 1063Menthyl Borate, April 24, 1964
SRM 1063aMenthyl Borate, April 24, 1964
SRM 1064Mercuric Cyclohexanebutyrate, April 24, 1964
SRM 1065aNickel Cyclohexanebutyrate, April 24, 1964
SRM 1065bNickel Cyclohexanebutyrate, November 1, 1967
SRM 1066Octaphenylcyclotetrasiloxane, April 24, 1964
SRM 1066aOctaphenylcyclotetrasiloxane, April 23, 1969
SRM 1068Silver Cyclohexanebutyrate, Provisional, October 31, 1960
SRM 1069aSodium Cyclohexanebutyrate, April 24, 1964
SRM 1069bSodium Cyclohexanebutyrate, February 13, 1969
SRM 1070Strontium Cyclohexanebutyrate, April 24, 1964
SRM 1070aStrontium Cyclohexanebutyrate, April 24, 1964
SRM 1071Triphenyl Phosphate, April 24, 1964
SRM 1071aTriphenyl Phosphate, April 24, 1964
SRM 1071bTriphenyl Phosphate, September 1, 1991
SRM 1072Tris(2'-Hydroxyacetophenono)Chromium(III) 1, October 31, 1960
SRM 1073Zinc Cyclohexanebutyrate, Provisional, October 31, 1960
SRM 1073aZinc Cyclohexanebutyrate, April 24, 1964
SRM 1073bZinc Cylcohexanebutyrate, July 15, 1967
SRM 1074Calcium 2-Ethylhexanoate, July 31, 1961
SRM 1074aCalcium 2-Ethylhexanoate, May 13, 1966
SRM 1074bCalcium 2-Ethylhexanoate, January 9, 1989
SRM 1075Aluminum 2-Ethylhexanoate, April 24, 1964
SRM 1076Potassium Erucate, April 24, 1964
SRM 1077Silver 2-Ethylhexanoate, April 24, 1964
SRM 1077aSilver 2-Ethylhexanoate, February 10, 1968
SRM 1078Tris(1-phenyl1-1,3-butanediono)Chromium(III), April 24, 1964
SRM 1078aTris(1-phenyl1-1,3-butanediono)chromium(III), Provisional, April 26, 1967
SRM 1079Tris(1-phenyl1-1,3-butanediono)iron(III), April 24, 1964
SRM 1079aTris(1-phenyl1-1,3-butanediono)iron(III), January 30, 1967
SRM 1080Bis(1-phenyl1,3-butanediono)copper(II), June 15,1967
SRM 1083Wear-Metals in Lubricating Oil, July 29, 1985
SRM 1084Wear-Metals in Lubricating Oil, July 29, 1985
SRM 1085Wear-Metals in Lubricating Oil, July 29, 1985
SRM 1085aWear Metals in Lubricating Oil, April 15, 1991
SRM 1085bWear Metals in Lubricating Oil, January 13, 2009
SRMs 1086, 1087, 108Hydrogen in Unalloyed Titanium, June 16, 1980
SRM 1090Oxygen in Ferrous Materials, April 2, 1969
SRM 1091Oxygen in Ferrous Materials, April 2, 1969
SRM 1092Oxygen in Ferrous Materials, April 2, 1969
SRM 1093Oxygen in Valve Steel, Provisional, March 4, 1969
SRM 1094Oxygen in Maraging Steel, Provisional, March 4, 1969
SRM 1095AISI 4340 Steel (Gasometric Standard), October 23, 1970
SRM 1096AISI 94B17 Steel (Modified) (Gasometric Standard), April 21, 1986
SRM 1097Cr-V Steel (Modified), April 21, 1986
SRM 1098High-Carbon Steel (Modified) (Gasometric Standard), April 21, 1986
SRM 1099Electrolytic Iron (Gasometric Standard), April 21, 1986
SRM C1100Optical Emission and X-ray Spectroscopic Analysis
SRM C1101Optical Emission and X-ray Spectroscopic Analysis
SRM 1101Optical Emission and X-ray Spectroscopic Analysis, November 9, 1981
SRM 1102Optical Emission and X-ray Spectroscopic Analysis, November 9, 1981
SRM C1102Optical Emission and X-ray Spectroscopic Analysis
SRM C1103Free-Cutting Brass (Cast)
SRM 1103Free-Cutting Brass (Wrought), August 13, 1965
SRM 1104Free-Cutting Brass, August 13, 1965
SRM 1105Free Cutting-Brass (Cast), Provisional, July 14, 1965
SRM C1105Free Cutting-Brass (Cast)
SRM C1106Naval Brass Standards for Optical Emissions and Spectroscopic Analysis, November 23, 1981
SRM 1106Naval Brass Standards for Optical Emissions and Spectroscopic Analysis, November 23, 1981
SRM C1107Naval Brass Standards for Optical Emissions and Spectroscopic Analysis, November 23, 1981
SRM C1108Naval Brass Standards for Optical Emissions and Spectroscopic Analysis, November 23, 1981
SRM 1108Naval Brass Standards for Optical Emissions and Spectroscopic Analysis, November 23, 1981
SRM 1109Red Brass, December 11, 1981
SRM 1115SRM 1115 - Optical Emission and X-Ray Spectroscopic Analysis, Provisional, February 14, 1964
SRM C1115SRM C1115 - Optical Emission and X-Ray Spectroscopic Analysis, Provisional, February 14, 1964
SRM C1116SRM C1116 - Optical Emission and X-Ray Spectroscopic Analysis, Provisional, February 14, 1964
SRM 1116SRM 1116 - Optical Emission and X-Ray Spectroscopic Analysis, Provisional, February 14, 1964
SRM 1117SRM 1117 - Optical Emission and X-Ray Spectroscopic Analysis, Provisional, February 14, 1964
SRM C1117SRM C1117 - Optical Emission and X-Ray Spectroscopic Analysis, Provisional, February 14, 1964
SRM C1118, C1119, C1120Aluminum Brass Standards for Optical Emission and X-Ray Spectroscopic Analysis, July 12, 1982
SRM 1118SRM 1118 - Aluminum Brass, December 11, 1981
SRM 1119Aluminum Brass, December 11, 1981
SRM 1120Aluminum Brass, Provisional, July 14, 1965
SRM 1121, C1121, 11Beryllium Copper Standards, December 11, 1981
SRM 1132Lead Base Bearing Metal, November 18, 1994
SRM 1133Titanium-Base Alloy, June 15, 1987
SRM 1136High-Sulfur Steel, August 31, 1973
SRM C1137aWhite Cast Iron, September 18, 1984
SRM 1138, 1139Cast Steel Standards, July 13, 1970
SRM 1140,1141, 1142Ductile Iron Standards, February 24, 1970
SRM 1140a, 1141a, 1Ductile Iron Standards, September 15, 1973
SRM 1143, 1144, 114Blast Furnace and White Iron, Provisional, July 31, 1969
SRM 1143a, 1144aBlast Furnace Iron Standards, (Chill Cast White), December 1, 1976
SRM 1145White Cast Iron, May 16, 1978
SRM 1145aWhite Cast Iron, June 26, 1987
SRM 1146White Cast Iron, May 16, 1978
SRM C1146aWhite Cast Iron, October 1, 1983
SRM 1147aWhite Iron Standard, April 8, 1974
SRM 1150White Cast Iron, May 16, 1978
SRM C1150aWhite Cast Iron, January 4, 1988
SRM C1151Stainless Steel 23Cr-7 Ni, January 31, 1980
SRM 115218 Cr-10 Ni Steel, February 9, 1966
SRM C1152-18 Cr-11 Ni Steel, January 31, 1980
SRM C115317 Cr-9 Ni Steel, January 31, 1980
SRM C1153a17 Cr-9 Ni Steel, April 21, 1986
SRM C1154Stainless Steel, 19Cr-13Ni
SRM 1154Cr-10 Nickel Steel, February 9, 1966
SRM 1156Maraging Steel, August 26, 1981
SRM 1158High Nickel Steel, December 30, 1977
SRM 1159, 1160Electronic and Magnetic Alloy Standards, August 4, 1981
SRM 1161Spectrographic Ingot Iron and Low-Alloy Steel Standards, August 1, 1981
SRM 1162Spectrographic Ingot Iron and Low-Alloy Steel Standards, August 1, 1981
SRM 1163Spectrographic Ingot Iron and Low-Alloy Steel Standards, August 1, 1981
SRM 1164Spectrographic Ingot Iron and Low-Alloy Steel Standards, August 1, 1981
SRM 1165Spectrographic Ingot Iron and Low-Alloy Steel Standards, August 1, 1981
SRM 1166Spectrographic Ingot Iron and Low-Alloy Steel Standards, August 1, 1981
SRM 1167Spectrographic Ingot Iron and Low-Alloy Steel Standards, August 1, 1981
SRM 1168Spectrographic Ingot Iron and Low-Alloy Steel Standards, August 1, 1981
SRM 1169Spectrographic Ingot Iron and Low-Alloy Steel Standards, August 17, 1965
SRM 1169aSpectrographic Ingot Iron and Low-Alloy Steel Standards, May 5, 1978
SRM 1169bSpectrographic Ingot Iron and Low-Alloy Steel Standards, April 15, 1982
SRM 1170Selenium-Bearing Steel, June 13, 1966
SRM 1170aSelenium-Bearing Steel, February 2, 1974
SRM 1170bSelenium-Bearing Steel, January 30, 1974
SRM 1171Cr 17-Ni 11-Ti 0.3 (AISI 321), July 7, 1971
SRM 1173Ni-Cr-Mo-V Steel, June 9, 1989
SRM C1173aCast Steel 3, February 24, 1981
SRM 1174White Iron, November 9, 1965
SRM 1174aWhite Iron, December 6, 1965
SRM 1175White Iron, November 9, 1965
SRM 1175aWhite Iron, December 9, 1965
SRM 1176-1183White Cast Iron Standards, August 26, 1964
SRM 1184 -1189High Temperature Alloy Standards, February 4, 1959
SRM 1186 - 1188High Temperature Alloy Standards, March 28, 1960
SRM 1190, 1203, 120High Temperature Alloy Standards, February 24, 1962
SRM 1191-1192High Temperature Alloy Standards, March 28, 1960
SRM 1193, 1194, 119High Temperature Alloy Standards, January 17, 1966
SRM 1196Standard Cigarette for Ignition Resistance Testing, November 29, 2012
SRM 1197, 1198, 119High Temperature Alloy Standards, August 17, 1974
SRM 1202Fabric Smoldering Ignition Testing Materials, December 11, 2012
SRM 1210, 1211Zirconium Metal Standards, November 28, 1962
SRM 1212aZirconium Metal C, May 6, 1974
SRM 1213, 1214, 121Zircaloy-2 Metal Standards, November 29, 1962
SRM 1217Nickel Steel, November 19, 1984
SRM C1221LA Carbon, (AISI 1211), January 20, 1982
SRM 1222LA Steel, Chromium-Nickel-Molybdenum (AISI 8640), September 13, 1990
SRM 1223Chromium Steel, September 5, 1985
SRM 1224LA Steel, Carbon (AISI 1078), February 24, 1981
SRM 1225LA Steel (AISI 4130), March 16, 1983
SRM 1226LA Steel, December 14, 1982
SRM 1228LA Steel, 0.1 % C, September 28, 1982
SRM 1233Specialty Steel, Valve Steel, February 3, 1986
SRM 1234, 1235, 123Zirconium Metal, November 28, 1980
SRM 1237, 1238, 123Zircaloy-4 Metal, November 28, 1980
SRM 1240Aluminum Alloy 3004, July 8, 1985
SRM 1240aAluminum Alloy 3004, July 8, 1985
SRM 1240bAluminum Alloy 3004, July 8, 1985
SRM 1241Aluminum Alloy, August 27, 1985
SRM 1241aAluminum Alloy, August 27, 1985
SRM 1241bAluminum Alloy, August 27, 1985
SRM 1241cAluminum Alloy, April 4, 2006
SRM 1245Inconel 625, May 5, 1984
SRM 1245aInconel 625, May 5, 1984
SRM C1251Phosphorized Copper - CU VIII, April 10, 1986
SRM C1251aPhosphorized Copper - CU VIII, July 23, 2002
SRM C1252Phosphorized Copper - CU IX, April 10, 1986
SRM C1253Phosphorized Copper - CU X, September 16, 1980
SRM C1253aPhosphorized Copper - CUX, July 23, 2002
SRM 1255Aluminum Casting Alloy 356, January 8, 1980
SRM 1255aAluminum Casting Alloy 356, November 3, 1986
SRM 1256Aluminum Casting Alloy 380, January 8, 1980
SRM 1256aAluminum Casting Alloy 380, November 3, 1986
SRM C1257High Purity Aluminum
SRM 1261Low Alloy AISI 4340 Steel, February 24, 1981
SRM 1261aLow Alloy AISI 4340 Steel, May 18, 1993
SRM 1262Low Alloy AISI 94B17 Steel Modified, February 24, 1981
SRM 1262aLow Alloy AISI 94B17 Steel Modified, June 27, 1989
SRM 1263Low Alloy Steel Cr-V Modified, February 24, 1981
SRM 1263aLow Alloy Steel Cr-V Modified, February 24, 1981
SRM 1264High Carbon Steel Modified, February 24, 1981
SRM 1265Electrolytic Iron, February 24, 1981
SRM 1265aElectrolytic Iron, February 24, 1981
SRM 1267Stainless Steel (AISI 446), January 19, 1978
SRM 1275Cupro-Nickel (CDA 706), March 10, 1980
SRM 1276Cupro-Nickel (CDA 715), March 10, 1980
SRM 1276aCupro-Nickel (CDA 715), June 30, 1989
SRM 1286Low Alloy Steel (HY 80), June 8, 1982
SRM C1287High Alloy Steel, ACI HK (AISI 310 Mod), June 11, 1981
SRM C1288High Alloy Steel, ACI CN-7M (A743) (Stainless Steel A743), August 1, 1981
SRM 1321Nonmagnetic Coating on Steel, July 5, 1988
SRM 1322Nonmagnetic Coating on Steel, July 26, 1991
SRM 1323Nonmagnetic Coating on Steel, July 5, 1988
SRM 1331aNickel on Steel, December 31, 1989
SRM 1332aNickel on Steel, December 31, 1989
SRM 1333aNickel on Steel, December 31, 1989
SRM 1334aNickel on Steel, December 31, 1989
SRM 1335aNickel on Steel, December 31, 1989
SRM 1336aNickel on Steel, December 31, 1989
SRM 1337aNickel on Steel, December 31, 1989
SRM 1338aNickel on Steel, December 31, 1989
SRM 1339aNickel on Steel, December 31, 1989
SRM 1357Cu and Cr Coating on Steel, September 11, 1985
SRM 1358Cu and Cr Coating on Steel, July 5, 1988
SRM 1358aCu and Cr Coating on Steel, September 1, 1999
SRM 1358bCu and Cr Coating on Steel, November 13, 2001
SRM 1359Cu and Cr Coating on Steel, July 5, 1988
SRM 1360Cu and Cr Coating on Steel, July 5, 1988
SRM 1361aCu and Cr Coating on Steel, July 5, 1988
SRM 1361bCu and Cr Coating on Steel, June 18, 1999
SRM 1362aCu and Cr Coating on Steel, July 5, 1988
SRM 1362bCu and Cr Coating on Steel, June 18, 1999
SRM 1363aCu and Cr Coating on Steel, July 5, 1988
SRM 1363bCu and Cr Coating on Steel, June 18, 1988
SRM 1364aCu and Cr Coating on Steel, July 26, 1991
SRM 1364bCu and Cr Coating on Steel, June 18, 1999
SRM 1365aNickel on Steel, May 1, 1984
SRM 1366aNickel on Steel, May 1, 1984
SRM 1367aNickel on Brass, May 1, 1984
SRM 1371Gold on Fe-Ni-Co Alloy, January 11, 1990
SRM 1372Gold on Fe-Ni-Co Alloy, January 11, 1990
SRM 1373Gold on Fe-Ni-Co Alloy, January 11, 1990
SRM 1374Gold on Fe-Ni-Co Alloy, January 1, 1990
SRM 1375Gold on Nickel, January 11, 1990
SRM 1377Gold on Nickel, January 11, 1990
SRM 1378Gold on Nickel, January 11, 1990
SRM 1379Ultrathin Gold on Nickel, January 11, 1990
SRM 1380Ultrathin Gold on Nickel, January 11, 1990
SRM 1387Gold on NIckel, January 11, 1990
SRM 1398aGold on Fe-Ni-Co Alloy, May 1, 1984
SRM 1399bGold on Nickel, May 1, 1984
SRM 1414Lead-Silica Glass, July 17, 1991
SRM 1450Fibrous Glass Board, May 26, 1978
SRM 1450aFibrous Glass Board, February 12, 1979
SRM 1450bFibrous Glass Board, May 21, 1982
SRM 1451Fibrous Glass Blanket, May 21, 1985
SRM 1470Polyester Plastic Film for Gas Transmission, January 2, 1978
SRM 1473Polyethylene Resin, October 15, 1991
SRM 1473aPolyethylene Resin, August 31, 1995
SRM 1473bLow Density Polyethylene Resin, October 17, 2011
SRM 1474Polyethylene Resin, April 20, 1990
SRM 1474aPolyethylene Resin, January 21, 2014
SRM 1475Linear Polyethylene, December 2, 1971
SRM 1475aLinear Polyethylene, December 28, 1993
SRM 1476Branched Polyethylene, November 6, 1969
SRM 1479Polystyrene, March 27, 1981
SRM 1480Polyurethane, August 24, 1992
SRM 1482Linear Polyethylene, October 18, 1976
SRM 1483Linear Polyethylene, March 9, 1976
SRM 1484Linear Polyethylene, October 18, 1976
SRM 1490Polyisobutylene Solution in Cetane, December 21, 1977
SRM 1491Aromatic Hydrocarbons in Hexane/Toluene, August 31, 1989
SRM 1492Chlorinated Pesticides in Hexane, January 25, 2008
SRM 1494Aliphatic Hydrocarbons in 2,2,4-Trimethylpentane, July 21, 2004
SRM 1495Isobutylene-Isoprene (Butyl) Rubber, March 13, 1981
SRM 1507THC-COOH in Urine, June 4, 1990
SRM 1507aTHC-COOH in Urine, July 9, 1990
SRM 1507bTHC-COOH in Urine, September 29, 2003
SRM 1508Cocaine and Metabolites in Freeze-Dried Urine, June 25, 1990
SRM 1508aBenzoylecgonine (Cocaine Metabolite) in Freeze-dried Urine, December 1, 2015
SRM 1511Determination of Dielectric Constant Cyclohexane, September 19, 2005
SRM 1512Determination of Dielectric Constant 1,2-Dichloroethane, Provisional, July 2, 1969
SRM 1513Determination of Dielectric Constant Nitrobenzene, September 17, 1969
SRM 1515Apple Leaves, July 2, 1991
SRM 1520Boron-Doped Silicon Wafers for Resistivity Measurements, January 8, 1974
SRM 1521Boron-Doped Silicon Slices for Resistivity Measurements, October 4, 1991
SRM 1522Silicon Power Device Level Resistivity Standard, October 4, 1991
SRM 1523Silicon Resistivity Standard for Eddy Current Testers, October 4, 1991
SRM 1541Iron Foil Mossbauer, October 1, 1981
SRM 1544Fatty Acids and Cholesterol in a Frozen Diet Composite, December 3, 2014
SRM 1546Meat Homogenate, September 9, 2008
SRM 1547Peach Leaves, July 2, 1991
SRM 1548Total Diet, September 28, 1990
SRM 1548aTypical Diet, October 26, 2004
SRM 1549Non-Fat Milk Powder, October 2, 2012
SRM 1563Cholesterol/Fat Soluble Vitamins in Coconut Oil, February 28, 2003
SRM 1566Oyster Tissue, December 12, 1979
SRM 1566aOyster Tissue, October 2, 1989
SRM 1567Wheat Flour, January 3, 1978
SRM 1567aWheat Flour, October 23, 1987
SRM 1568Rice Flour, January 3, 1978
SRM 1568aRice Flour, August 15, 1995
SRM 1569Brewers Yeast, September 7, 1976
SRM 1570Trace Elements in Spinach, September 1, 1976
SRM 1570aTrace Elements in Spinach, July 15, 1996
SRM 1571Orchard Leaves, August 31, 1977
SRM 1572Citrus Leaves, February 22, 1982
SRM 1573Tomato Leaves, October 18, 1976
SRM 1575Pine Needles, October 18, 1976
SRM 1577Bovine Liver, June 14, 1977
SRM 1577aBovine Liver, March 5, 1982
SRM 1577bBovine Liver, August 27, 1991
SRM 1579Powdered Base Lead Paint, January 23, 1973
SRM 1579aPowdered Base Lead Paint, February 3, 1992
SRM 1580Organics in Shale Oil, March 10, 1980
SRM 1581Polychlorinated Biphenyls in Oil, June 25, 1982
SRM 1582Petroleum Crude Oil, June 26, 2012
SRM 1583Chlorinated Pesticides in 2,2,4-Trimethylpentane, February 11, 1985
SRM 1584Priority Pollutant Phenols in Methanol, April 20 1984
SRM 1585Chlorinated Biphenyls 2,2,4-Trimethylpentane(Isooctane), January 30, 1986
SRM 1588Organics in Cod Liver Oil, January 27, 1989
SRM 1588aOrganices in Cod Liver Oil, May 29, 1998
SRM 1588bOrganics in Cod Liver Oil, August 9, 2007
SRM 1588cOrganics in Fish Oil, August 4, 2015
SRM 1589PCBs in Human Serum, November 25, 1985
SRM 1589aPCBs, Pesticides, PBDEs, and Dioxins/Furans in Human Serum, May 4, 2007
SRM 1590Stabilized Wine, November 9, 1981
SRM 15911,2-O-Isopropylidene-ß-L-idofuranose, January 18, 1968
SRM 15922-3-O-Isopropylidene-ß-D-threo-pentulose, January 18, 1968
SRM 1593levo-Inosito, January 18, 1968
SRM 1594Quebrachitol, January 18, 1968
SRM 1597Complete Mixture of Polycylclic Aromatic Hydrocarbons from Coal Tar, May 11, 1992
SRM 1598Inorganic Constituents in Bovine Serum, January 10, 1989
SRM 1600Secondary Standard Magnetic Tape Cassette, March 27, 1974
SRM 1601Carbon Dioxide in Nitrogen, January 15, 1973
SRM 1602Carbon Dioxide in Nitrogen, January 15, 1973
SRM 1603Carbon Dioxide in Nitrogen, January 15, 1973
SRM 1604Oxygen in Nitrogen, March 1, 1968
SRM 1604aOxygen in Nitrogen, January 25, 1971
SRM 1605Oxygen in Nitrogen, March 1, 1968
SRM 1606Oxygen in Nitrogen, March 1, 1968
SRM 1607Oxygen in Nitrogen, March 1, 1968
SRM 1608Oxygen in Nitrogen, March 1, 1968
SRM 1609Oxygen in Nitrogen, March 1, 1968
SRM 1610Hydrocarbon in Air, October 31, 1969
SRM 1611Hydrocarbon in Air, October 31, 1969
SRM 1612Hydrocarbon in Air, October 31, 1969
SRM 1613Hydrocarbon in Air, October 31, 1969
SRM 1614Dioxin (2,3,7,8-TCDD in Isoctane), September 22, 2009
SRM 1616Sulfur in Kerosene, February 19, 1988
SRM 1616aSulfur in Kerosene, September 27, 1995
SRM 1616bSulfur in Kerosene, March 10, 2005
SRM 1617Sulfur in Kerosene, February 19, 1988
SRM 1617aSulfur in Kerosene, July 17,1995
SRM 1618Vanadium and Nickel in Residual Fuel Oil, November 1, 1984
SRM 1619Sulfur in Residual Fuel Oil 0.7 %, December 22, 1981
SRM 1619aSulfur in Residual Fuel Oil 0.7 %, April 30, 1991
SRM 1619bSulfur in Residual Fuel Oil 0.7 % March 1, 2006
SRM 1620Sulfur in Residual Fuel Oil 4 %, December 1, 1979
SRM 1620aSulfur in Residual Fuel Oil 4 %, December 22, 1981
SRM 1620bSulfur in Residual Fuel Oil 4 %, July 26, 1990
SRM 1620cSulfur in Residual Fuel Oil (4 %), July 7, 2010
SRM 1621Sulfur in Residual Fuel Oil 1 %, December 11, 1967
SRM 1621aSulfur in Residual Fuel Oil 1 %, February 1, 1980
SRM 1621bSulfur in Residual Fuel Oil 1 %, December 22, 1981
SRM 1621cSulfur in Residual Fuel Oil 1 %, September 15, 1986
SRM 1621dSulfur in Residual Fuel Oil 1 %, March 1, 1991
SRM 1621eSulfur in Residual Fuel Oil (1%) , September 16, 2010
SRM 1622Sulfur in Residual Fuel Oil 2 %, December 11, 1967
SRM 1622aSulfur in Residual Fuel Oil 2 %, August 31, 1979
SRM 1622bSulfur in Residual Fuel Oil 2 %, December 22, 1981
SRM 1622cSulfur in Residual Fuel Oil 2 %, September 15, 1986
SRM 1622dSulfur in Residual Fuel Oil 2 %, March 14, 1994
SRM 1622eSulfur in Residual Fuel Oil 2 %, April 2, 2003
SRM 1623Sulfur in Residual Fuel Oil 0.3 %, April 7, 1971
SRM 1623aSulfur in Residual Fuel Oil 0.3 %, December 22, 1981
SRM 1623bSulfur in Residual Fuel Oil 0.3 %, July 26, 1990
SRM 1623cSulfur in Residual Fuel Oil 0.3 %, April 17, 2012
SRM 1624Sulfur in Distillate Fuel Oil 0.4 %, April 7, 1971
SRM 1624aSulfur in Distillate Fuel Oil 0.4 %, December 22, 1981
SRM 1624bSulfur in Distillate Fuel Oil 0.4 %, March 14, 1994
SRM 1624cSulfur in Distillate Fuel Oil 0.4 %, June 6, 1997
SRM 1624dSulfur in Distillate Fuel Oil 0.4 %, April 26, 2005
SRM 1625SO2 Permeation Tube 10 cm, May 16, 1995
SRM 1626SO2 Permeation Tube 5 cm, May 16, 1995
SRM 1626aSO2 Permeation Tube 5 cm, October 24, 2001
SRM 1627SO2 Permeation Tube 2 cm, December 5, 1991
SRM 1629Nitrogen Dioxide Permeation Device, March 11, 1975
SRM 1629aNitrogen Dioxide Permeation Device, June 6, 1996
SRM 1630Trace Mercury in Coal, Provisional, November 3, 1971
SRM 1630aTrace Mercury in Coal, August 9, 2000
SRM 1631Sulfur in Coal, April 15, 1973
SRM 1632Trace Elements in Coal (Bituminous), March 7, 1975
SRM 1632aTrace Elements in Coal (Bituminous), October 24, 1983
SRM 1632bTrace Elements in Coal (Bituminous), June 11, 1997
SRM 1632cTrace Elements in Coal (Bituminous), September 12, 2011
SRM 1632dTrace Elements in Coal (Bituminous), October 14, 2014
SRM 1633Trace Elements in Coal Fly Ash, March 7, 1975
SRM 1633aTrace Elements in Coal Fly Ash, April 18, 1979
SRM 1633bConstituent Elements in Coal Fly Ash, December 10, 2004
SRM 1634Trace Elements in Fuel Oil, January 1978
SRM 1634aTrace Elements in Fuel Oil, February 19, 1982
SRM 1634bTrace Elements in Fuel Oil, February 3, 1986
SRM 1634cTrace Elements in Fuel Oi, August 29, 1995
SRM 1635Trace Elements in Coal (Subbituminous), February 14, 2008
SRM 1636, 1637, 163Lead in Reference Fuel, March 25, 1975
SRM 1636a, 1637a, 1Lead in Reference Fuel, February 5, 1980
SRM 1638bLead in Reference Fuel, August 15, 1986
SRM 1640Natural Water February 6, 2008
SRM 1641Mercury in Water, March 5, 1975
SRM 1641aMercury in Water, December 12, 1978
SRM 1641bMercury in Water, April 13, 1983
SRM 1641cMercury in Water, June 14, 1993
SRM 1641dMercury in Water, July 8, 2014
SRM 1642Mercury in Water Trace, April 16, 1974
SRM 1642aMercury in Water Trace, August 24, 1977
SRM 1642bMercury in Water Trace, July 15, 1982
SRM 1643Trace Elements in Water, May 11, 1977
SRM 1643aTrace Elements in Water, July 19, 1982
SRM 1643bTrace Elements in Water, May 18, 1984
SRM 1643cTrace Elements in Water, June 24 1991
SRM 1643dTrace Elements in Water, March 19, 1999
SRM 1643eTrace Elements in Water, March 26, 2009
SRM 1644General Columns for Polynuclear Aromatic Hydrocarbons, April 27, 1981
SRM 1645River Sediment, November 16, 1978
SRM 1646Estuarine Sediment, January 6, 1982
SRM 1646aEstaurine Sediment, September 2, 1998
SRM 1647Priority Pollutant Polynuclear Aromatic Hydrocarbons (in Acetonitrile), December 7, 1981
SRM 1647aPriority Pollutant Polynuclear Aromatic Hydrocarbons (in Acetonitrile), January 29, 1988
SRM 1647bPriority Pollutant Polynuclear Aromatic Hydrocarbons (in Acetonitrile), August 13, 1990
SRM 1647cPriority Pollutant Polynuclear Aromatic Hydrocarbons (in Acetonitrile), April 25, 1994
SRM 1647dPriority Pollutant Polynuclear Aromatic Hydrocarbons (in Acetonitrile), December 3, 2003
SRM 1647ePriority Pollutant Polynuclear Aromatic Hydrocarbons (in Acetonitrile), March 6, 2006
SRM 1648Urban Particulate Matter, April 28, 1998
SRM 1649Urban Dust/Organics, April 8, 1982
SRM 1649aUrban Dust, December 6, 2007
SRM 1650Diesel Particulate Matter, February 11, 1985
SRM 1650aDiesel Particulate Matter, November 7, 2000
SRM 1651Heat-Source Powder Calorimetry, November 12, 1968
SRM 1652Heat-Source Powder Calorimetry, November 12, 1968
SRM 1653Heat-Source Powder Calorimetry, November 12, 1968
SRM 1654Hydrofluoric Acid Solution Calorimetry, April 7, 1971
SRM 1657Synthetic Refuse-Derived Fuel Combustion Calorimetric Standard, March 4, 1985
SRM 1658Methane in Air, September 16, 1976
SRM 1658aMethane in Air, January 14, 2003
SRM 1659Methane in Air, September 16, 1976
SRM 1659aMethane in Air, October 9, 2003
SRM 1660Methane-Propane in Air, September 16, 1976
SRM 1660aMethane-Propane in Air, July 16, 2001
SRM 1661Sulfur Dioxide in Nitrogen, June 29, 1976
SRM 1661aSulfur Dioxide in Nitrogen, August 11, 2000
SRM 1661aSulfur Dioxide in Nitrogen (Nominal Amount-of-Substance Fraction 500 µmol/mol), Lot 94-H-XX, February 26, 2019
SRM 1661aSulfur Dioxide in Nitrogen (Nominal Amount-of-Substance Fraction µmol/mol), Lot 94-I-XX, February 27, 2019
SRM 1662Sulfur Dioxide in Nitrogen, June 29, 1976
SRM 1662aSulfur Dioxide in Nitrogen, August 10, 2000
SRM 1662aSulfur Dioxide in Nitrogen (Nominal 1000 umol/mol), Lot 93-G-XX, September 30, 2010
SRM 1662aSulfur in Dioxide in Nitrogen (Nominal Amount-of-Substance Fraction 1000 µmol/mol), Lot 93-H-XX, May 2, 2018
SRM 1663Sulfur Dioxide in Nitrogen, June 29, 1976
SRM 1663aSulfur Dioxide in Nitrogen, August 11, 2000
SRM 1663aSulfur Dioxide in Nitrogen, Lot 92-F-XX, April 11, 2022
SRM 1664Sulfur Dioxide in Nitrogen, June 29, 1976
SRM 1664aSulfur Dioxide in Nitrogen, December 3, 2003
SRM 1665Propane in Air, April 5, 1973
SRM 1665aPropane in Air, November 1, 1975
SRM 1665bPropane in Air, July 24, 2001
SRM 1665bPropane in Air (Nominal Amount-of-Substance Fraction 3 µmol/mol), Lot 85-I-XX, May 14, 2014
SRM 1665bPropane in Air (Nominal Amount-of-Substance Fraction 3 µmol/mol), Lot 85-J-XX, July 31, 2014
SRM 1666Propane in Air, April 5, 1973
SRM 1666aPropane in Air, November 1, 1975
SRM 1666bPropane in Air, December 26, 2000
SRM 1666bPropane in Air (Nominal Amount-of-Substance Fraction 10 µmol/mol) Lot 84-K-XX, June 7, 2019
SRM 1666bPropane in Air (Nominal Amount-of-Substance Fraction 10 µmol/mol) Lot 84-J-XX, August 29, 2018
SRM 1667Propane in Air, April 5, 1973
SRM 1667aPropane in Air, November 1, 1975
SRM 1667bPropane in Air, December 19, 2000
SRM 1667bPropane in Air (Nominal Amount-of-Substance Fraction 50 µmol/mol), Lot 83-J-XX, November 29, 2017
SRM 1668Propane in Air, April 5, 1973
SRM 1668bPropane in Air, December 26, 2000
SRM 1668bPropane in Air, (Nominal Amount-of-Substance Fraction 100 µmol/mol, Lot 82-K-XX, May 3, 2016
SRM 1669Propane in Air, April 5, 1973
SRM 1669aPropane in Air, November 1, 1975
SRM 1669bPropane in Air, February 9, 2001
SRM 1669bPropane in Air (Nominal Amount-of-Substance Fraction 500 µmol/mol), Lot 81-H-XX, October 29, 2007
SRM 1669bPropane in Air (Nominal Amount-of-Substance Fraction 500 µmol/mol), Lot 81-I-XX, April 17, 2017
SRM 1670Carbon Dioxide in Air, December 9, 1982
SRM 1671Carbon Dioxide in Air, December 31, 1998
SRM 1671aCarbon Dioxide in Air, November 21, 2001
SRM 1672aCarbon Dioxide in Air, September 3, 2003
SRM 1673, 1674, 167Carbon Dioxide in Nitrogen, March 30, 1973
SRM 1673aCarbon Dioxide in Nitrogen, September 24, 1975
SRM 1674aCarbon Dioxide in Nitrogen, October 1, 1975
SRM 1674bCarbon Dioxide in Nitrogen, April 10 ,1998
SRM 1674bCarbon Dioxide in Nitrogen (Nominal Amount-of-Substance Fraction 7 % mol/mol), Lot 7-H-XX, September 17, 2021
SRM 1675aCarbon Dioxide in Nitrogen, June 23, 1975
SRM 1675bCarbon Dioxide in Nitrogen, Lot 6-F-XX, February 5, 2004
SRM 1676Carbon Dioxide in Air (Nominal 365 umol/mol), February 28, 2006
SRM 1677Carbon Monoxide in Nitrogen, April 12, 1974
SRM 1677aCarbon Monoxide in Nitrogen, February 28, 1975
SRM 1677bCarbon Monoxide in Nitrogen, July 18, 1977
SRM 1677cCarbon Monoxide in Nitrogen, March 22, 1994
SRM 1677cCarbon Monoxide in Nitrogen (Nominal Amount-of-Substance Fraction 10 µmol/mol), Lot # 5-J-XX, June 7, 2017
SRM 1678Carbon Monoxide in Nitrogen, April 12, 1974
SRM 1678aCarbon Monoxide in Nitrogen, January 10, 1975
SRM 1678bCarbon Monoxide in Nitrogen, September 17, 1976
SRM 1678cCarbon Monoxide in Nitrogen, December 4, 2002
SRM 1678cCarbon Monoxide in Nitrogen (Nominal Amount-of-Substance Fraction 50 µmol/mol) Lot 4-K-XX, June 23, 2021
SRM 1679Carbon Monoxide in Nitrogen
SRM 1679aCarbon Monoxide in Nitrogen
SRM 1679bCarbon Monoxide in Nitrogen
SRM 1679cCarbon Monoxide in Nitrogen (Nominal Amount-of-Substance 100 µmol/mol), Lot 3-H-XX, September 6, 2001
SRM 1679cCarbon Monoxide in Nitrogen (Nominal Amount-of-Substance 100 µmol/mol), Lot 3-I-XX, August 21, 2003
SRM 1679cCarbon Monoxide in Nitrogen (Nominal Amount-of-Substance 100 µmol/mol), Lot 3-J-XX, July 11, 2016
SRM 1680Carbon Monoxide in Nitrogen, April 12, 1974
SRM 1680aCarbon Monoxide in Nitrogen, January 29, 1975
SRM 1680bCarbon Monoxide in Nitrogen, July 24, 2001
SRM 1680bCarbon Monoxide in Nitrogen Lot 2-J-XX, January 17, 2017
SRM 1680bCarbon Monoxide in Nitrogen, June 18, 2013
SRM 1681Carbon Monoxide in Nitrogen
SRM 1681bCarbon Monoxide in Nitrogen, November 24, 1999
SRM 1681bCarbon Monoxide in Nitrogen (Nominal Amount-of-Substance Fraction 1000 µmol/mol)
SRM 1681bCarbon Monoxide in Nitrogen (Nominal Amount-of-Substance Fraction 1000 µmol/mol), Lot 1-K-XX, March 4, 2021
SRM 1681bCarbon Monoxide in Nitrogen (Nominal Amount-of-Substance Fraction 1000 µmol/mol), Lot 1-L-XX, January 15. 2021
SRM 1683Nitric Oxide in Nitrogen
SRM 1683aNitric Oxide in Nitrogen
SRM 1683bNitric Oxide in Nitrogen, August 16, 2001
SRM 1683bNitric Oxide in Nitrogen, (Nominal Amount-of-Substance Fraction 50 umol.mol, Lot 45-U-XX), May 18, 2016
SRM 1684Nitric Oxide in Nitrogen
SRM 1684aNitric Oxide in Nitrogen
SRM 1684bNitric Oxide in Nitrogen, March 21, 2001
SRM 1684bNitric Oxide in Nitrogen (Nominal Amount-of-Substance Fraction 100 µmol/mol) Lot 44-S-XX, May 16, 2016
SRM 1684bNitric Oxide in Nitrogen (Nominal Amount-of-Substance Fraction 100 µmol/mol), Lot 44-T-XX, August 31, 2012
SRM 1685Nitric Oxide in Nitrogen
SRM 1685bNitric Oxide in Nitrogen, October 20, 2003
SRM 1686Nitric Oxide in Nitrogen
SRM 1686aNitric Oxide in Nitrogen
SRM 1686bNitric Oxide in Nitrogen, December 30, 1999
SRM 1686bNitric Oxide in Nitrogen, May 24, 2018, Lot #42-M-XX
SRM 1687Nitric Oxide in Nitrogen, November 27, 1974
SRM 1687aNitric Oxide in Nitrogen
SRM 1687bNitric Oxide in Nitrogen, Lot 41-K-XX, July 11, 2011
SRM 1687bNitric Oxide in Nitrogen, Lot 41-L-XX, August 31, 2012
SRM 1687bNitric Oxide in Nitrogen, Lot 41-L-XX, October 2, 2020
SRM 1687bNitric Oxide in Nitrogen, April 10, 1992
SRM 1690Polystyrene Spheres, December 22, 1982
SRM 1693Sulfur Dioxide in Nitrogen
SRM 1693aSulfur Dioxide in Nitrogen (Nominal Amount-of-Substance Fraction 50 µmol/mol) Lot 94-J-XX, February 19, 2002
SRM 1693aSulfur Dioxide in Nitrogen (Nominal Amount-of-Substance Fraction 50 µmol/mol) Lot 94-K-XX, March 12, 2013
SRM 1693aSulfur Dioxide in Nitrogen (Nominal Amount-of-Substance Fraction 50 µmol/mol) Lot 94-L-XX, October 13, 2013
SRM 1693aSulfur Dioxide in Nitrogen (Nominal Amount-of-Substance Fraction 50 µmol/mol) Lot 94-M-XX, May 14, 2015
SRM 1694Sulfur Dioxide in Nitrogen
SRM 1694aSulfur Dioxide in Nitrogen, November 7, 2001
SRM 1696Sulfur Dioxide in Nitrogen, March 20, 1981
SRM 1696aSulfur Dioxide in Nitrogen, Lot 90-C-XX, March 18, 2004
SRM 1696aSulfur Dioxide in Nitrogen, Nominal Amount-of-Substance Fraction 3500 µmol/mol), Lot 90-D-XX, July 28, 2017
SRM 1700Carbon Dioxide in Nitrogen, June 11, 1985
SRM 1700aCarbon Dioxide in Nitrogen, August 29, 1988
SRM 1701Carbon Dioxide and Oxygen in Nitrogen
SRM 1701aCarbon Dioxide and Oxygen in Nitrogen
SRM 1702Carbon Dioxide and Oxygen in Nitrogen
SRM 1702aCarbon Dioxide and Oxygen in Nitrogen
SRM 1703Carbon Dioxide and Oxygen in Nitrogen
SRM 1703aCarbon Dioxide and Oxygen in Nitrogen
SRM 1742Zinc-Aluminum Alloy, September 1, 1999
SRM 1763Low Alloy Steel, April 23, 1992
SRM 1779Naval Brass WK4
SRM 1800Non-Methane Hydrocarbon Compounds in Nitrogen 5.0 nmol/mol
SRM 1800bEighteen Non-Methane Hydrocarbon Compounds in Nitrogen (Nominal 5 nmol/mol), July 15, 2011
SRM 1804Eighteen Toxic Volatile Organic Compounds in Nitrogen
SRM 1804cToxic Volatile Organic Compounds in Nitrogen, January 29, 2008
SRM 1805Benzene in Nitrogen
SRM 1806Benzene in Nitrogen
SRM 1808Tetrachloroethylene in Nitrogen
SRM 1810Linerboard Standard for Tape Adhesion Testing
SRM 1811Benzene, Toluene, Chlorobenzene, and Bromobenzene in Nitrogen
SRM 1812Benzene, Toluene, Chlorobenzene, and Bromobenzene in Nitrogen
SRM 1813Carbon Tetrachloride, Chloroform, Tetrachloroethylene, and Vinyl Chloride in Nitrogen
SRM 1814Carbon Tetrachloride, Chloroform, Tetrachloroethylene, and Vinyl Chloride in NItrogen
SRM 1815Reference Fuel n-Heptane
SRM 1816Reference Fuel Isooctane
SRM 1817A Catalyst Package for Lubricant Oxidation
SRM 1817aA Catalyst Package for Lubricant Oxidation
SRM 1817bA Catalyst Package for Lubricant Oxidation
SRM 1817cA Catalyst Package for Lubricant Oxidation
SRM 1818Total Chlorine in Lubricating Base Oil
SRM 1819Sulfur in Lubricating Base Oil
SRM 1821Ethanol (Forensic Standard)
SRM 1822Refractive Index Glass
SRM 1822aRefractive Index Standard, November 14, 2008
SRM 1823Refractive Index Silicone Liquids
SRM 1825Fused Silica Density Standard
SRM 1826Soda-Lime Glass (Density)
SRM 1826aSoda-Lime Glass (Density)
SRM 1826bSoda-Lime Glass (Density)
SRM 1827Lead Silica Glass Density Standard
SRM 1827aLead Silica Glass Density Standard
SRM 1827bLead Silica Glass Density Standard
SRM 1828Ethanol-Water Solutions
SRM 1828aEthanol-Water Solutions
SRM 1832Thin Glass Film
SRM 1833Thin Glass Film
SRM 1840100-g Silicon Density Standard
SRM 1841a200-g Silicon Density Standard
SRM 1842X-Ray Stage Calibration Board
SRM 1843X-Ray Stage Calibration Board
SRM 1844Radiographic Image Quality Indicator System Performance Standard
SRM 1845Cholesterol in Whole Egg Powder, August 17, 2009
SRM 1846Infant Formula (milk-based)
SRM 1849Infant/Adult Nutritional Formula, September 2, 2010
SRM 1850NDE Test Blocks
SRM 1851NDE Test Blocks
SRM 1853Magnetic Particle Test Ring (Individually Calibrated)
SRM 1855Ultrasonic Power Transducer Standard
SRM 1856Acoustic Emission Transducer
SRM 1860Aluminum Block
SRM 1861Aluminum Block
SRM 1862Aluminum Block
SRM 1863Aluminum Block
SRM 1866Bulk Asbestos Common
SRM 1866aCommon Commercial Asbestos, June 1, 1991
SRM 1866bCommon Commercial Asbestos, January 9, 2007
SRM 1867Uncommon Commercial Asbestos
SRM 1867aUncommon Commercial Asbestos, March 12, 2003
SRM 1871Lead-Silicate Glasses for Microanalysis
SRM 1874Lithium-Aluminum-Borate Glasses for Microanalysis
SRM 1875Aluminum-Magnesium-Phosphate Glasses for Microanalysis
SRM 1876aChrysotile Asbestos Fibers
SRM 1878Respirable Alpha Quartz
SRM 1878aRespirable Alpha Quartz, August 31, 1999
SRM 1879Respirable Cristobalite
SRM 1880Portland Cement, Black, February 10,1984
SRM 1880aPortland Cement, Black, July 29, 1999
SRM 1880aPortland Cement, February 2, 2002
SRM 1881Portland Cement, White, January 9, 1989
SRM 1881aPortland Cement (Blended with Slag and Fly Ash), October 27, 2016
SRM 1882Calcium Aluminate Cement, Orange July 26, 1990
SRM 1883Calcium Aluminate Cement, Silver, July 27, 1990
SRM 1884Portland Cement, Ivory
SRM 1884aPortland Cement
SRM 1885Portland Cement, Turquoise
SRM 1885aPortland Cement, July 13, 2001
SRM 1886Portland Cement, Cranberry
SRM 1887Portland Cement, Brown
SRM 1887aPortland Cement, August 9, 2001
SRM 1888Portland Cement, Purple
SRM 1888aPortland Cement, February 14, 2002
SRM 1889Portland Cement, Gray
SRM 1889aPortland Cement (Blended with Limestone), November 29, 2016
SRM 1890Stainless Steel for Pitting or Crevice Corrosion
SRM 1891Cobalt-Chromium-Molybdenum Alloy
SRM 1893Microhardness, Cu-Knoop, March 20, 1992
SRM 1894Microhardness, Cu-Vickers, March 20, 1992
SRM 1895Microhardness, Ni-Knoop, March 20, 1992
SRM 1896Microhardness, Ni-Vickers, March 20, 1992
SRM 1896aMicrohardness, Ni-Vickers
SRM 1897Specific Surface Area, May 10, 2012
SRM 1901Centerline Drawings for Optical Character Recognition-B Characters, August 28, 1996
SRM 1901,1902,1903,Centerline Drawings for Optical Character Recognition-B Characters
SRM 1905Microhardness, Ni-Knoop, March 20, 1992
SRM 1906Microhardness, Ni-Knoop, November 2, 1994
SRM 1907Microhardness, Ni-Knoop, March 14, 1995
SRM 1908Vickers Microhardness of Nickel, October 10, 2003
SRM 1909Vickers Microhardness of Nickel, October 10, 2003
SRM 1911Benzene Permeation Device, August 4, 1982
SRM 1912Tetrachloroethylene Permeation Device
SRM 1918Mercury Porosimeter Intrusion Standard, December 29, 2011
SRM 1919Lead Silica Glass Density Standard
SRM 1920Near IR Reflectance, July 1, 1986
SRM 1920aNear IR Reflectance, February 20, 2004
SRM 1921IR Transmission Wavelength (Polystyrene Film), February 23, 1996
SRM 1921aInfrared Transmission Wavelength Standard, July 31, 2014
SRM 1930Glass Filters, Transmittance, May 26, 2000
SRM 1931Fluorescence Emission Standards for the Visible Region
SRM 1932Fluorescein Solution, March 4, 2003
SRM 1935Potassium Dichromate Solution for Use as an Ultraviolet Absorbance Solution, March14, 2002
SRM 1935aPotassium Dichromate Solution/UV Absorbance Standard , August 5, 2008
SRM 1939Polychlorinated Biphenyls (Congeners) in River Sediment A
SRM 1939aPolychlorinated Biphenyls Congeners in River Sediment A, June 16, 2017
SRM 1941Organics in Marine Sediment, October 29, 1989
SRM 1941aOrganics in Marine Sediment
SRM 1941bOrganics in Marine Sediment, July 15, 2002
SRM 1946Lake Superior Fish Tissue, February 20, 2003
SRM 1951Lipids in Frozen Human Serum
SRM 1951aLipids in Frozen Human Serum, July 10, 2003
SRM 1951bLipids in Frozen Human Serum, February 3, 2004
SRM 1951bLipids in Frozen Human Serum, September 9, 2010
SRM 1952Cholesterol in Human Serum (Freeze-Dried), February 29, 1988
SRM 1952aCholesterol in Freeze-Dried Human Serum, February 11, 2016
SRM 1955Homocysteine and Folate in Frozen Human Serum, December 31, 2015
SRM 1959Drugs of Abuse in Frozen Human Serum, March 21, 2011
SRM 1960Polystyrene (Nominal 10 µm Diameter Polystyrene Spheres), April 4, 1985
SRM 1963Polystyrene (Nominal 0.1 µm Diameter Polystyrene Spheres), August 25, 2003
SRM 1967High Purity Platimum Thermoelement, February 23, 1977
SRM 1969Rubidium Triple-Point Standard, January 16, 1984
SRM 1970Succinonitrile Triple-Point Standard, March 1, 1985
SRM 1971Indium Freezing-Point Standard, February 26, 1987
SRM 19721,3-Dioxolan-2-one (Ethylene Carbonate Triple Point Standard (Internal Temperature Scale of 1990 [ITS-90], July 19, 1993
SRM 1973n-Docosane Triple Point Standard (Internal Temperature Scale of 1990 [ITS-90], May 26, 1994
SRM 1974Organics in Mussel Tissue (Mytilus edulis), May 15, 1991
SRM 1974aOrganics in Mussel Tissue (Mytilus edulis), July 18, 1997
SRM 1974bOrganics in Mussel Tissue
SRM 1975Diesel Particulate Extract, November 7, 2000
SRM 1976Instrument Sensitivity Standard for X-ray Powder Diffraction, March 14, 2007
SRM 1976Instrument Response Standard for X-Ray Powder Diffraction, Appendix
SRM 1980Positive Electrophoretic Mobility for March 7, 1994
SRM 2001Aluminum on Glass (Standard for Specular Spectral Reflectance), April 16, 1971
SRM 2002Aluminum on Glass (Standard for Specular Spectral Reflectance), April 16, 1971
SRM 2003First Surface Aluminum Mirror for Specular Reflectance (from 250 to 2500 nm), April 10, 1998
SRM 2003aFirst Surface Aluminum Mirror for Specular Reflectance (from 250 to 2500 nm)
SRM 2003bFirst Surface Aluminum Mirror for Sjpecular Reflectance (from 250 to 2500 nm)
SRM 2003cFirst Surface Aluminum Mirror for Specular Reflectance (from 250 to 2500 nm)
SRM 2004Aluminum on Glass (Standard for Specular Spectral Reflectance), April 16, 1971
SRM 2005Gold on Glass (Standard for Specular Spectral Reflectance), April 16, 1971
SRM 2006Gold on Glass (Standard for Specular Spectral Reflectance), April 16, 1971
SRM 2007Gold on Glass (Standard for Specular Spectral Reflectance), April 16, 1971
SRM 2008Gold on Glass (Standard for Specular Spectral Reflectance), April 16, 1971
SRM 2009Didymium Glass Filters for Checking the Wavelength Scale of Spectrophotometers
SRM 2010Didymium Glass Filters for Checking the Wavelength Scale of Spectrophotometers
SRM 2010aDidymium Glass Filters for Checking the Wavelength Scale of Spectrophotometers
SRM 2011First Surface Gold Mirror, June 30, 1999
SRM 2013Didymium Glass Filters for Checking the Wavelength Scale of Spectrophotometers, January 8, 1980
SRM 2014Didymium Glass Filters for Checking the Wavelength Scale of Spectrophotometers
SRM 2015Opal Glass (Reflectance) Standard, May 5, 1982
SRM 2016White Opal Glass Diffuse Spectral Reflectance
SRM 2019, 2020White Ceramic Tile for Directional Hemispherical
SRM 2019aWhite Ceramic Tile for Directional Hemispherical
SRM 2019bWhite Ceramic Tile for Directional Hemispherical
SRM 2019dWhite Ceramic Tile for Directional Hemispherical
SRM 2020White Ceramic Tile for Directional Hemispherical
SRM 2020cWhite Ceramic Tile for Directional Hemispherical
SRM 2021, 2022Black Porcelain Enamel for Directional Hemispherical
SRM 2023Second Surface Aluminum on Quartz
SRM 2025Second Surface Aluminum Mirror with Wedge
SRM 2030Glass Filter for Transmittance Measurement, September 23, 1976
SRM 2030aGlass Filter for Transmittance Measurement, October 18, 1993
SRM 2031Metals-on-Quartz Filters for Spectrophotometry, October 22, 1984
SRM 2031aMetals-on-Fused Filters for Spectrophotometry, April 3, 2002
SRM 2033Crystalline Potassium Iodide with Attenuator Heterochromatic and Isochromatic Stray Radiant Energy Standard for Ultraviolet Absorption Spectrophotometry
SRM 2035Near Infrared Transmission Wavelength Standard from 10 300 cm-1 to 5 1230 cm-1, September 29, 2008
SRM 2035aUltraviolet-Visible-Near-Infrared Wavelength/Wavenumber Transmission Standard, March 6, 2014
SRM 2037Solvent Red 24 Diesel Fuel Dye, February 23, 2005
SRM 2040PTFE Diffuser for Spectral Reflectance Factor, October 4, 2001
SRM 2044White Diffuser
SRM 2044aWhite Diffuser for 6:di Spectral Reflectance Factor, April 2, 2003
SRMs 2046, 2047, 204Transmission Filters with Measured Optical Density at 1064 nm Wavelength, July 9, 1998
SRM 2052Black Diffuser for 6:di Spectural Reflectance Factor
SRM 2053Infrared Transmittance Standard, March 8, 2006
SRM 2054Infrared Transmittance Standard, March 8, 2006
SRM 2055Infrared Transmittance Standard, March 8, 2006
SRM 2061Reflection Step Tablet
SRM 2065Ultraviolet-Visible-Near-Infrared Transmission Wavelength/Vacuum Wavenumber Standard, September 29, 2008
SRM 2069SEM Performance Standard
SRM 2069aSEM Performance Standard
SRM 2069bSEM Performance Standard, May 15, 1991
SRM 2071Sinusoidal Roughness Specimen
SRM 2071aSinusoidal Roughness Specimen
SRM 2071bSinusoidal Roughness, August 23, 2000
SRM 2073Sinusoidal Roughness Specimen
SRM 2082Pathlength Absorbance Standards for Microliter Volume Spectrophotometers, August 4, 2016
SRM 2084CMM Probe Performance Standard , October 8, 1996
SRM 2084rCMM Probe (10-mm Sphere)
SRM 2085CMM Probe Performance Standard
SRM 2087Dimensional Standard for Medical Computed Tomography, August 14, 2012
SRM 2088Density Standard for Medical Computed Tomography, May 15, 2013
SRM 2092Certified Low-Energy Samples for Charpy V-Notch Testing Machines, December 20, 1989
SRMs 2092, 2096Low and High-Energy Test Specimens for Charpy V-Notch Impact Testing Machines, February 19, 1993
SRMs 2092, 2096, 209Low, High and Super High-Energy Test Specimens for Charpy V-Notch Impact Testing Machines, May 14, 2001
SRM 2093Low-Energy Charpy V-Notch Specimens (Self-Verification, 8-mm Striker), Lot LL-160. September 15, 2017
SRM 2093Low-Energy Charpy V-Notch Impact Specimen Self-Verification (ASTM E23), Lot LL-140, September 29, 2015
SRM 2093Low-Energy Charpy V-Notch Specimens (Self-Verification, 8-mm Striker), Lot LL-175, Novermber 13, 2020
SRM 2096Certified High-Energy Samples for Charpy V-Notch Testing Machines, December 20, 1989
SRM 2097High-Energy Charpy V-Notch Specimens (Self-Verification, 8-mm Striker), Lot HH-160, August 28, 2017
SRM 2097High-Energy Charpy V-Notch Impact Specimen (Self-Verification (ASTM E23), Lot HH-121, August 25,2011
SRM 2097High-Energy Charpy V-Notch Impact Specimen (Self-Verification (ASTM E23), Lot HH-152, February 2,2016
SRM 2098Super High-Energy Specimens for Charpy V-Notch Testing Machines, January 25, 1991
SRM 2101Glass Filters for Checking Performance of Spectrophotometer-Intergrator Systems of Color Measurement
SRM 2106A Universal Color Language
SRM 2108Chromium (III) Speciation
SRM 2121Spectrometric Standard Solution Cadmium, Lead, Silver, and Zinc
SRM 2122Spectrometric Standard Solution Barium, Calcium, Magnesium, and Strontium
SRM 2123Spectrometric Standard Solution Lithium, Potassium, Sodium, and Rubidium
SRM 2124Spectrometric Standard Solution Cobalt, Copper, Iron, and Nickel
SRM 2125Spectrometric Standard Solution Boron, Chromium, Manganese, and Molybdenum
SRM 2126Spectrometric Standard Solution Antimony, Arsenic, Selenium, and Tin
SRM 2127Spectrometric Standard Solution Aluminum, Beryllium, Phosphorus, and Silicon
SRM 2128Spectrometric Standard Solution Gold, Mercury, Palladium, and Platinum
SRM 2129Spectrometric Standard solution Titanium, Tungsten, Vanadium, and Zirconium
SRM 2133Phosphorus Implant in Si Depth Profile, April 2, 2003
SRM 2135Ni/Cr Thin-Film Depth Profile Standard
SRM 2135aNi/Cr Thin-Film Depth Profile Standard
SRM 2135bNi/Cr Thin-Film Depth Profile Standard
SRM 2135cNi/Cr Thin-Film Depth Profile Standard, February 1, 1999
SRM 2135dNi/Cr Thin-Film Depth Profile Standard, February 1, 1999
SRM 2142o-Bromobenzoic Acid
SRM 2143p-Fluorobenzoic Acid, Provisional, January 23, 1973
SRM 2144m-Chlorobenzoic Acid, Provisional, December 5, 1972
SRM 2175MP 35N Refractory Alloy, July 25, 1968
SRM 2176Propane-1,1,1-d3 CH3CH2CD
SRM 2181HEPES Free Acid, March 17, 1989
SRM 2191Sodium Bicarbonate
SRM 2191a, 2192aSodium Bicarbonate, November 15, 1984
SRM 2192Sodium Carbonate
SRM 2193Calcium Carbonate pH Standard, October 22, 1991
SRM 2193aCalcium Carbonate pH Standard [used as saturated Ca(OH)2 solution], September 30, 2015
SRM 2201Sodium Chloride, March 30, 1984
SRM 2202Potassium Chloride, February 22, 1971
SRM 2211Toluene
SRM 2212Toluene
SRM 22132,2,4-Trimethylpentane
SRM 2220DSC Enthalpy Tin, November 15, 1985
SRM 2221Temperature of Enthalpy of Fusion Zinc
SRM 2221aTemperature of Enthalpy of Fusion Zinc, September 15, 1989
SRM 2222Temperature and Enthalpy of Fusion Biphenyl, June 1, 1989
SRM 2232Indium DSC Calibration Standard Temperature and Enthalpy of Fusion, March 1, 1999
SRM 2241Relative Intensity Correction Standard for Raman Spectroscopy: 785 nm Excitation, June 27, 2002
SRM 2242Relative Intensity Correction Standard for Raman Spectroscopy: 532 nm Excitation, October 22, 2013
SRM 2243Relative Intensity Correction Standard for Raman Spectroscopy: 488 nm and 514.5 nm Excitation, June 11, 2009
SRM 2245Relative Intensity Correction Standard for Raman Spectroscopy: 633 nm Excitation, August 23, 2016
SRM 2261Chlorinated Pesticides in Hexane, December 10, 1998
SRM 2264Nitrated Aromatic Hydrocarbons in Methylene Chloride I, March 8, 2007
SRM 2265Nitrated Polycyclic Aromatic Hydrocarbons in Methylene Chloride II, March 8. 2007
SRM 2267Deuterated Levoglucosan in Ethyl Acetate, March 12, 2007
SRM 2268Carbon-13 Labeled Levoglucosan in Ethyl Acetate
SRM 2273Chlorinated Pesticides (DDTs) and Metabolites in Isooctane, February 14, 2012
SRM 2276Three Planar Polychlorinated Biphenyl (PCB) Congeners in Isooctane, November 6, 2009
SRM 2277Selected Organic Acids in Methanol (non-labeled)m October 22, 2008
SRM 2278Selected Organic Acids in Methanol (deuterated), October 22, 2008
SRM 2292Methyl t-Butyl Ether in Reference Gasoline
SRM 2297Reformulated Gasoline, January 24, 2006
SRM 2350Nickel Step Test
SRM 2366Cytomegalovirus (CMV) for DNA Measurements, August 3, 2015
SRM 2372Human DNA Quantitation Standard, January 8, 2013
SRM 2379Drugs of Abuse in Human Hair I, September 24, 2012
SRM 2380Drugs of Abuse in Human Hair II, December 7, 2012
SRM 2381Morphine and Codeine in Freeze-Dried Urine, April 15, 2015
SRM 2382Morphine Glucuronide in Freeze-Dried Urine, April 15, 2015
SRM 2383Baby Food Composite, November 16, 2007
SRM 2384Baking Chocolate, September 28, 2004
SRM 2387Peanut Butter, September 29, 2004
SRM 2389Amino Acids in 0.1 mol/L Hydrochloric Acid, June 7, 2010
SRM 2390DNA Profiling Standard, August 10, 1992
SRM 2391PCR-Based DNA Profiling Standard
SRM 2391aPCR-Based DNA Profiling Standard
SRM 2391bPCR-Based DNA Profiling Standard
SRM 2391cPCR-Based DNA Profiling Standard, May 24, 2018
SRM 2391cPCR-Based DNA Profiling Standard, October 9, 2020
SRM 2392Mitochondrial DNA Sequencing, December 29, 1999
SRM 2392-IMitochondrial DNA Sequencing, June 13, 2003
SRM 2394Heteroplasmic Mitochondrial DNA Mutation Detection Std, December 22, 2004
SRM 2394Heteroplasmic Mictochondrial DNA Mutation Detection Standard, July 9, 2014
SRM 2395Human Y-Chromosome DNA Profili Standard
SRM 2399Fragile X Human DNA Triplet Repeat Standard, June 19, 2007
SRM C2425Ductile Iron
SRM C2425aDuctile Iron
SRM 2453Hydrogen in Titanium Alloy, August 5, 2005
SRM 2454Hydrogen In Titanium Alloy, April 25, 2005
SRM 2460Standard Bullet, October 30, 2006
SRM 2483Single-Wall Carbon Nanotubes (Raw Soot), November 14, 2011
SRM 2484Multiwall Carbon Nanotubes (Raw Soot), May 11, 2017
SRM 2490Non-Newtonian Polymer Solution for Rheological Measurements, May 24, 2011
SRM 2491Non-Newtonian Polymer Melt for Rheology, December 31, 2002
SRM 2515Wavelength Calibration Reference for 1595 nm to 1630 nm (Carbon Monoxide C-13/O-16), May 17, 2002
SRM 2517Wavelength Reference Absorption
SRM 2518Polarization Mode Dispersion, March 1, 2000
SRM 2519Wavelength Reference Absorption, July 23, 1998
SRM 2519aWavelength Reference Absorption, April 11, 2005
SRM 2520Optical Fiber Diameter, January 25, 1993
SRM 2522Pin Gage for Optical Fiber Ferrules, March 7, 1996
SRM 2524Optical Fiber Chromatic Dispersion, February 3, 1997
SRM 2525Linear Retardance
SRM 2531Si/SiO2 Thickness 50 nm
SRM 2532Si/SiO2 Thickness 100 nm
SRM 2533Si/SiO2 Thickness 200 nm, July 15, 1992
SRM 2534Si/SiO2 Thickness 25 nm
SRM 2535Si/SiO2 Thickness 14 nm
SRM 2536Si/SiO2 Thickness 10 nm
SRM 2538Polarization-Mode Dispersion (Non-Mode-Coupled), September 23, 2002
SRM 2542Silicon Resistivity
SRM 2544Silicon Resistivity, September 6, 2002
SRM 2545Silicon Resistivity, November 3, 1997
SRM 2547Silicon Resistivity, March 31, 1999
SRM 2551Oxygen in Silicon
SRM 2555Optical Fiber Coating Standard
SRM 2556Recycled Pellet (Autocatalyst), July 9, 1993
SRM 2557Recycled Monolith (Autocatalyst), July 9, 1993
SRM 2567A Catalyst Package for Lubricant Oxidation (ASTM Sequence IIIE Engine Test), July 14, 1995
SRM 2579Lead Paint for XRF, March 1, 1993
SRM 2582Powdered Paint Nominal 200mg/kg Lead, May 2, 1996
SRM 2583Trace Elements in Indoor Dust, December 30, 1996
SRM 2589Powdered Paint Nominal 10% Lead, May 2, 1996
SRM 259010-V Josephson Array Voltage Standard
SRM 259110-V Josephson Array Voltage Standard
SRM 2601Crystalline Al2O3:Cr3+ (Ruby) Electron Paramagnetic Resonance Absorption Intensity Standard
SRM 2607Carbon Dioxide and Nitrous Oxide in Air (Atmospheric Standard), November 7, 1988
SRM 2608Carbon Dioxide and Nitrous Oxide in Air (Atmospheric Standard), November 7, 1988
SRM 2609Carbon Dioxide and Nitrous Oxide in Air (Atmospheric Standard), November 7, 1988
SRM 2610Carbon Dioxide and Nitrous Oxide in Air (Atmospheric Standard), November 7, 1988
SRM 2612Carbon Monoxide in Air, January 26, 1979
SRM 2612aCarbon Monoxide in Air, July 25, 2001
SRM 2612aCarbon Monoxide in Air (Nominal Amount-of-Substance Fraction 10 µmol/mol), Lot # 23-F-XX, January 2, 2014
SRM 2613Carbon Monoxide in Air, January 26, 1979
SRM 2613aCarbon Monoxide in Air, March 27, 1990
SRM 2614Carbon Monoxide in Air, January 26, 1979
SRM 2614aCarbon Monoxide in Air, July 24, 2001
SRM 2619aCO2/N2, 0.5 % mol/mol, August 31, 2000
SRM 2620aCarbon Dioxide in Nitrogen, October 28, 2003
SRM 2620aCarbon Dioxide in Nitrogen (Nominal Amount-of-Substance Fraction 1 % mol/mol, Lot 31-G-XX, July, 14, 2015
SRM 2622aCarbon Dioxide in Nitrogen (Nominal Amount-of-Substance Fraction 2 % mol/mol), Lot 33-E-XX, May 31, 2019
SRM 2623aCarbon Dixoide in Nitrogen (Nominal Amount-of-Substance Fraction 2.5 % mol/mol), July 28, 2011
SRM 2626aCarbon Dioxide in Nitrogen
SRM 2627Nitric Oxide in Nitrogen
SRM 2628Nitric Oxide in Nitrogen
SRM 2629Nitric Oxide in Nitrogen
SRM 2630Nitric Oxide in Nitrogen, Lot 46-E-XX, July 28, 2011
SRM 2631Nitric Oxide in Nitrogen
SRM 2631aNitric Oxide in Nitrogen (Nominal Amount-of-Substance Fraction 3000 µmol/mol), Lot 47-E-XX, July 21, 2004
SRM 2631aNitric Oxide in Nitrogen (Nominal Amount-of-Substance Fraction 3000 µmol/mol), Lot 47-F-XX, March 29, 2019
SRM 2632Carbon Dioxide in Nitrogen
SRM 2632aCarbon Dioxide in Nitrogen (Nominal Concentration: 300 µmol/mol (ppm)
SRM 2633Carbon Dioxide in Nitrogen
SRM 2634Carbon Dioxide in Nitrogen
SRM 2635Carbon Monoxide in Nitrogen
SRM 2635aCarbon Monoxide in Nitrogen (Nominal Amount-of-Substance Fraction 25 umol/mol, Lot 58-D-XX, July 7, 2021
SRM 2636Carbon Monoxide in Nitrogen
SRM 2636aCarbon Monoxide in Nitrogen, (Nominal Amount-of-Substance Fraction 250 µmol/mol), Lot 57-F-XX, August 19, 2016
SRM 2636aCarbon Monoxide in Nitrogen
SRM 2637Carbon Monoxide in Nitrogen
SRM 2637aCarbon Monoxide in Nitrogen, Lot 56-F-XX, January 27, 2022
SRM 2638Carbon Monoxide in Nitrogen
SRM 2638aCarbon Monoxide in Nitrogen (Nominal Amount-of-Substance Fraction – 5000 µmol/mol), Lot 55-F-XX, September 16, 2021
SRM 2638aSRM 2638a Carbon Monoxide in Nitrogen (Nominal Amount-of-Substance Fraction 5000 µmol/mol), Lot 55-G-XX, June 27, 2011
SRM 2639Carbon Monoxide in Nitrogen
SRM 2639aCarbon Monoxide in Nitrogen (Nominal Amount-of-Substance Fraction 1 % mol/mol), Lot 54-E-XX, July 27. 2016
SRM 2640Carbon Monoxide in Nitrogen
SRM 2641Carbon Monoxide in Nitrogen
SRM 2642Carbon Monoxide in Nitrogen
SRM 2642aCarbon Monoxide in Nitrogen (Nominal Amount-of-Substance Fraction 8 % mol/mol), Lot 51-XX-C, February 20, 2019
SRM 2645Propane in Nitrogen (Nominal Concentration 500 ppm)
SRM 2646Propane in Nitrogen (Nominal Concentration 1000 ppm)
SRM 2646aPropane in Nitrogen (Nominal Amount-of Substance Fraction 1000 µmol/mol), Lot 103-C-XX, February 1, 2012
SRM 2647Propane in Nitrogen (Nominal Concentration 2500 ppm)
SRM 2647aPropane in Nitrogen, May 25, 2016 Lot 104-XX-B
SRM 2647aSRM 2647a Propane in Nitrogen (Nominal Amount-of-Substance Fraction 2500 µmol/mol), Lot 104.C-XX, May 27, 2016
SRM 2648aPropane in Nitrogen (Nominal Concentration 5000 ppm), March 3, 2003
SRM 2649aPropane in Nitrogen, 1 mole percent, September 1, 1990
SRM 2650Propane in Nitrogen, 2 mole percent, May 30, 1980
SRM 2651Propane in Nitrogen and Oxygen (Nominal 100 µmol/mol Propane and 5 mole percent Oxygen)
SRM 2652Propane in Nitrogen and Oxygen (Nominal 100 µmol/mol Propane and 10 mole percent Oxygen), June 7, 1982
SRM 2653Nitrogen Dioxide in Air (Nominal Concentration 250 ppm)
SRM 2654Oxides of Nitrogen (NOx) in Air
SRM 2655Oxides of Nitrogen (NOx) in Air, June 7, 1982
SRM 2656NOx/Air, 2500 µmol/mol June 7, 1982
SRM 2657Oxygen in Nitrogen (Gas Standard)
SRM 2657aOxygen in Nitrogen (Nominal Amount-of-Substance Fraction 2 % mol/mol, Lot #73-D-XX, February 16, 2016
SRM 2657aOxygen in Nitrogen, Lot #73-C-XX, February 16, 2016
SRM 2658Oxygen in Nitrogen (Gas Standard)
SRM 2658aOxygen in Nitrogen (Gas Standard), September 19, 2005
SRM 2658aOxygen in Nitrogen, Lot # 72-C-XX, February 23, 2016
SRM 2658aOxygen in Nitrogen (Nominal of Amount-of-Substance Fraction 10 % mol/mol), Lot # 72-D-XX, February 23, 2016
SRM 2659Oxygen in Nitrogen 21 Mole Percent (Nominal)
SRM 2659aOxygen in Nitrogen 21 Mole Percent (Nominal), March 3, 2003
SRM 2659aOxygen in Nitrogen, Nominal Amount-of-Substance Fraction 21 % mol/mol, Lot 71-D-XX, October 25, 2013
SRM 2659aOxygen in Nitrogen (Nominal Amount-of-Substance Fraction 21 % mol/mol), Lot 71-E-XX, September 6, 2018
SRM 2660Oxides of Nitrogen (NOx) in Air (Nominal Concentration 100 µmol/mol)
SRM 2660aTotal Oxides of Nitrogen in Air, 100 umol/mol, January 29, 2004
SRM 2661Benzene on Charcoal
SRM 2661bBenzene on Charcoal
SRM 2661cBenzene on Charcoal
SRM 2662m-Xylene on Charcoal
SRM 2663p-Dioxane on Charcoal
SRM 26641,2-Dichloroethane on Charcoal
SRM 2665ChlorofoRM on Charcoal
SRM 2666Trichloroethylene on Charcoal
SRM 2667Carbon Tetrachloride on Charcoal
SRM 2670Toxic Metal in Freeze-Dried Urine, April 23, 1993
SRM 2670aToxic Elements in Freeze-Dried Urine, December 31, 2015
SRM 2671Freeze Dried Urine Certified for Urine
SRM 2671aFluorine in Freeze-Dried Urine, December 29, 1982
SRM 2672Freeze Dried Urine Certified for Mercury
SRM 2672aFreeze Dried Urine Certified for Mercury, May 16, 1983
SRM 2673Sulfate and Nitrate on Filter Media
SRM 2674Lead on Filter Media
SRM 2675Beryllium on Filter Media
SRM 2676Metals on Filter Media (Pb, Zn, Cd, Mn)
SRM 2676aMetals on Filter Media (Cd, Mn, Pb, Zn)
SRM 2676bMetals on Filter Media (Cd, Mn, Pb, Zn)
SRM 2676cMetals on Filter Media
SRM 2676dMetals on Filter Media, August 17, 1992
SRM 2677Beryllium and Arsenic onf Filter Media, October 1, 1985
SRM 2677aBeryllium and Arsenic onf Filter Media, February 8, 1994
SRM 2679Quartz on Filter Media
SRM 2679aQuartz on Filter Media
SRM 2682, 2683, 268Sulfur in Coal, October 30, 1987
SRM 2682aSulfur in Coal, 0.5 %, May 3, 1994
SRM 2682bSubbituminous Coal (Sulfur, Mercury, and Chlorine, August 15, 2007
SRM 2683aSulfur in Coal, November 13, 1992
SRM 2683bBituminous Coal (Sulfur and Mercury), August 9, 2007
SRM 2684aSulfur in Coal, June 30, 1992
SRM 2684bBituminous Coal (Sulfur and Mercury), September 8, 2010
SRM 2685aSulfur in Coal, May 3, 1994
SRM 2685bSulfur and Mercury in Coal, May 21, 2007
SRM 2685bBituminous Coal (Sulfur, Mercury, and Chlorine)
SRM 2686Portland Cement Clinker, February 4, 2002
SRM 2686aPortland Cement Clinker, November 5, 2012
SRM 2687Portland Cement Clinker, December 14, 2010
SRM 2689, 2690, 269Coal Fly Ashes, October 1, 1986
SRM 2692Sulfur in Coal, November 15, 1988
SRM 2692aSulfur in Coal, January 26, 1994
SRM 2692bBituminous Coal (Sulfur, Mercury, and Chlorine), August 8, 2007
SRM 2694Simulated Rainwater
SRM 2694aSimulated Rainwater, February 15, 1995
SRM 2702Inorganics in Marine Sediment, December 03, 2002
SRM 2704Buffalo River Sediment, June 1, 1988
SRM 2708Zinc Sulfide Thin Film on Polycarbonate for X-ray Fluorescence Spectrometry
SRM 2709San Joaquin Soil, July 18, 2003
SRM 2710Montana I Soil, July 18, 2003
SRM 2711Montana II Soil, July 18, 2003
SRM 2712Lead in Reference Fuel, October 28, 1988
SRM 2716Sulfur in Gasoline (
SRM 2717Sulfur in Residual Fuel Oil
SRM 2717aSulfur in Residual Fuel Oil, March 1, 2006
SRM 2718Green Petroleum Coke, August 30, 2010
SRM 2719Calcined Petroleum Coke, May 20, 2002
SRM 2721Crude Oil (Light-Sour), July 1, 2003
SRM 2722Crude Oil (Heavy-Sweet), July 1, 2002
SRM 2723aSulfur in Diesel Fuel Oil, September 12, 2012
SRM 2724Sulfur in Diesel Fuel Oil, August 17, 1992
SRM 2724aSulfur in Diesel Fuel Oil, August 24,1995
SRM 2724bSulfur in Diesel Fuel Oil, 0.04%, February 24, 2010
SRM 2725Carbon Monoxide and Propane in Nitrogen (Auto Emission Inspection/Maintenance Gas)
SRM 2726Carbon Monoxide and Propane in Nitrogen (Auto Emission Inspection/Maintenance Gas)
SRM 2727Carbon Dioxide, Carbon Monoxide, and Propane in Nitrogen, April 10, 1992
SRM 2728Carbon Dioxide, Carbon Monoxide, and Propane in Nitrogen (Auto Emission Inspection/ Maintenance Gas)
SRM 2730Hydrogen Sulfide in Nitrogen, April 10, 1998
SRM 2731Hydrogen Sulfide in Nitrogen, July 19, 2001
SRM 2735Nitric Oxide in Nitrogen, March 10, 1998
SRM 2736Nitric Oxide in Nitrogen, September 1, 1990
SRM 2736aNitric Oxide in Nitrogen, May 1, 2006
SRM 2740Carbon Monoxide in Nitrogen, Nominal Concentration: 10 mole percent, September 1, 1990
SRM 2740aCarbon Monoxide in Nitrogen, Nominal Concentration: 10 mole percent, July 1, 2003
SRM 2741Carbon Monoxide in Nitrogen, Nominal Concentration: 13 mole percent
SRM 2745Carbon Dioxide in Nitrogen, July 25, 1996
SRM 2745Carbon Dioxide in Nitrogen (Nominal Amount-of-Substance Fraction 16 % mol/mol) Lot 9-C-XX, June 7, 2017
SRM 2745Carbon Dioxide in Nitrogen (Nominal Amount-of-Substance Fraction 16 % mol/mol, Lot 9-D-XX, February 1, 2022
SRM 2750Methane in Air, (Nominal Amount-of-Substance Fraction 50 µmol/mol), Lot 211-C-XX, August 7, 2017
SRM 2750Methane in Air, Fraction 50, January 16, 2003
SRM 2751Methane in Air, Fraction 100, January 27, 2003
SRM 2764Propane in Air, December 26, 2000
SRM 2770Sulfur in Diesel Fuel Oil, March 10, 2005
SRM 2771Sulfur in Diesel Fuel Blend Stock, September 28, 2010
SRM 2772B100 Biodiesel (Soy-Based), October 20, 2016
SRM 2775Sulfur in Foundry Coke, May 1, 1997
SRM 2776Sulfur in Furnace Coke, March 19, 1998
SRM 2780Hard Rock Mine Waste, October 11, 2012
SRM 2798Vickers Microhardness of Nickel
SRM 2806Medium Test Dust (MTD) in Hydraulic Fluid, December 10, 1997
SRM 2806Medium Test Dust (MTD) in Hydraulic Fluid, November 16, 2004
SRM 2806aMedium Test Dust (MTD) in Hydraulic Fluid, May 30, 2013
SRM 2806bMedium Test Dust (MTD) in Hydraulic Fluid, June 12, 2014
SRM 2810Rockwell C Scale Hardness - Low Range, October 16, 2001
SRM 2811Rockwell C Scale Hardness - Mid Range, May 26, 2005
SRM 2812Rockwell C Scale Hardness - High Range, June 13, 2006
SRM 2881Polystyrene Absolute Molecular Mass Distribution Standard, December 12, 2008
SRM 2888Polystyrene
SRM 2897Ethanol-Water Solution
SRM 2898Ethanol-Water Solution
SRM 2899Ethanol-Water Solution (nominal 25 % by mass), March 26, 2004
SRM 2905Trace Terrorist Explosives Simulants, March 25, 2013
SRM 2906Trace Explosives Calibration Solutions, October 1, 2010
SRM 2907Trace Terrorist Explosvies Simulants, January 30, 2012
SRM 2910Calcium Hydroxyapatite, July 1, 2003
SRM 2910aCalcium Hydroxyapatite, July 17, 2008
SRM 2921Human Cardiac Troponin Complex, April 30, 2004
SRM 2930Glass Filters for Spectrophotometry, August 17, 2004
SRM 2940Relative Intensity Correction Standard for Fluorescence Spectroscopy: Orange Emission, May 1, 2018
SRM 2941Relative Intensity Correction Standard for Fluorescence Spectroscopy: Green Emission, February 23, 2018
SRM 2950Respirable Alpha Quartz on Filter Media (Nominal Mass of Alpha Quartz 10 µg-500 µg), Lot 070103, February 7, 2007
SRM 2951Respirable Alpha Quartz on Filter Media (Nominal Mass of Alpha Quartz 5 µg), February 7, 2007
SRM 2952Respirable Alpha Quartz on Filter Media, 10 µg, February 7, 2007
SRM 2953Respirable Alpha Quartz on Filter Media, 20 µg, February 7, 2007
SRM 2954Respirable Alpha Quartz on Filter Media, 50 µg, February 7. 2007
SRM 2955Respirable Alpha Quartz on, Filter Media, 100 µg, February 7, 2007
SRM 2956Respirable Alpha Quartz on Filter Media, 250 µg , February 7, 2007
SRM 2957Respirable Alpha Quartz on Filter Media, 500 µg, February 7, 2007
SRM 2958Respirable Alpha Quartz on Filter Media, 1000 µg, February 7, 2007
SRM 2961Respirable Cristobalite on Filter Media, 5 µg, February 7, 2007
SRM 2962Respirable Cristobalite on Filter Media, 10 µg, February 7, 2007
SRM 2963Respirable Cristobalite on Filter Media, 20 µg, February 7, 2007
SRM 2964Respirable Cristobalite on Filter Media, 50 µg, February 7, 2007
SRM 2965Respirable Cristobalite on Filter Media, 100 µg, February 7, 2007
SRM 2966Respirable Cristobalite on Filter Media, 250 µg, January 23, 2007
SRM 2967Respirable Cristobalite on Filter Media, 500 µg, February 7, 2007
SRM 297225-Hydroxvitamin D2 and D3 Calibration Solutions, October 21, 2014
SRM 2974Organics in Freeze-Dried Mussel Tissue
SRM 2977Mussel Tissue (Organic Contaminants and Trace Elements), September 12, 2008
SRM 2978Mussel Tissue Organic Contaminates-Raritan Bay, NJ
SRM 3000Benzene in Methanol, November 16, 2009
SRM 3001Toluene in Methanol, November 30, 2009
SRM 3002Ethylbenzene in Methanol, November 16, 2009
SRM 3003o-Xylene in Methanol, November 16, 2009
SRM 3004m-Xylene in Methanol, November 17, 2009
SRM 3005p-Xylene in Methanol, December 3, 2009
SRM 3006Carbon Tetrachloride in Methanol, December 17, 2009
SRM 3008Methylene Chloride in Methanol (Nominal Mass Fraction, 0.01 g/g), December 17, 2009
SRM 30091,2-Dichloropropane in Methanol (Nominal Mass Fraction - 0.01 g/g), December 17, 2009
SRM 3010Tetrachloroethene (Tetrachloroethylene) in Methanol, December 17, 2009
SRM 30111,1,1-Trichloroethane in Methanol (Nominal Mass Fraction, 0.01 g/g), December 17, 2009
SRM 30121,2-Dichloroethane in Methanol (Nominal Mass Fraction, 0.01 g/g), December 17, 2009
SRM 30141,2,3-Trichloropropane in Methanol (Nominal Mass Fraction - 0.01 g/g), December 17, 2009
SRM 3015Isopropylbenzene in Methanol, December 17, 2009
SRM 3016sec-Butylbenzene in Methanol, December 17, 2009
SRM 3061Chloral Hydrate in Methanol
SRM 3063Dioxin in Methanol
SRM 3064Endothall in Water, December 6, 2012
SRM 3065Chlorinated Herbicides 1 in Methanol
SRM 3066Chlorinated Herbicides 2 in Methanol
SRM 3068Total Chlordane in Methanol, December 7, 2012
SRM 3069Organochlorine Pesticides I in Acetone
SRM 3070Organochlorine Pesticides II in Acetone
SRM 3071Glyphosate
SRM 3072Diquat Dibromide in Water
SRM 3074Phthalates in Methanol, April 19, 2006
SRM 3075Aroclor 1016 in Transformer Oil, May 23, 2003
SRM 3076Aroclor 1232 in Transformer Oil, May 23, 2003
SRM 3077Aroclor 1242 in Transformer Oil, May 23, 2003
SRM 3078Aroclor 1248 in Transformer Oil, July 15, 2005
SRM 3079Aroclor 1252 in Transformer Oil, May 23, 2003
SRM 3080Aroclor 1260 in Transformer Oil, July 15, 2005
SRM 3081Aroclor 1016 in Transformer Oil, May 14, 2003
SRM 3082Aroclor 1232 in Transformer Oil, May 14, 2003
SRM 3083Aroclor 1242 in Methanol, May 14, 2003
SRM 3084Aroclor 1248 in Methanol, May 14, 2003
SRM 3085Aroclor 1254 in Methanol, May 14, 2003
SRM 3086Aroclor 1260 in Methanol, May 14, 2003
SRM 3087Metals on Filter Media
SRM 3087aMetals on Filter Media
SRM 3090Aroclors in Transformer Oil (SRMs 3075 to 3080), May 23, 2003
SRM 3091Aroclors in Methanol Oil (SRMs 3081 to 3086), May 23, 2003
SRM 3101Spectrometric Standard Solution Aluminum, January 7, 1990
SRM 3101aSpectrometric Standard Solution Aluminum, September 25, 2003
SRM 3101aSpectrometric Standard Solution Aluminum, July 8, 1999
SRM 3102Spectrometric Standard Solution Antimony, April 14, 1989
SRM 3102aSpectrometric Standard Solution Antimony, August 2, 1999
SRM 3102aAntimony (Sb) Standard Solution, April 25, 2011, Lot 061229
SRM 3103Spectrometric Standard Solution Arsenic, March 1, 1989
SRM 3103aSpectrometric Standard Solution Arsenic, April 12, 2006
SRM 3104Spectrometric Standard Solution Barium, April 4, 1991
SRM 3104aSpectrometric Standard Solution Barium, June 2, 2005
SRM 3105Beryllium Standard Solution, April 14, 1989
SRM 3105aBeryllium Standard Solution, November 17, 2003
SRM 3106Bismuth Standard Solution, May 11, 2000
SRM 3106Bismuth (Bi) Standard Solution, Lot 991212, February 3, 2012
SRM 3107Boron (B) Standard Solution, Lot 110830, October 20, 2016
SRM 3107Boron Standard Solution, Lot 070504, October 3, 2011
SRM 3107Boron Standard Solution, Lot 991907, October 27, 2003
SRM 3108Cadmium Standard Solution, October 29, 2003
SRM 3108Cadmium (Cd) Standard Solution, Lot 060531, October 11. 2011
SRM 3109Spectrometric Standard Solution Calcium, September 11, 1989
SRM 3109aSpectrometric Standard Solution Calcium, June 17, 1993, Lot 39005
SRM 3109aSpectrometric Standard Solution Calcium,July 6, 1994, Lot 492005
SRM 3109aSpectrometric Standard Solution Calcium, June 22, 1995, Lot 591605
SRM 3109aSpectrometric Standard Solution Calcium, November 15, 1996, Lot 690808
SRM 3109aSpectrometric Standard Solution Calcium, March 5, 2001
SRM 3109aSpectrometric Standard Solution Calcium, Lot No 000613 July 16, 2001
SRM 3109aSpectrometric Standard Solution Calcium, Lot No 000622 July 16, 2001
SRM 3109aSpectrometric Standard Solution Calcium,July 26, 2006, Lot 050825
SRM 3110Spectrometric Standard Solution Cerium, September 1, 1998
SRM 3110Spectrometric Standard Solution Cerium, November 1, 2007
SRM 3111Spectrometric Standard Solution Cesium, April 4, 1991
SRM 3111aSpectrometric Standard Solution Cesium, May 17, 1993, Lot 392604
SRM 3111aSpectrometric Standard Solution Cesium, February 13, 1995, Lot 492909
SRM 3111aSpectrometric Standard Solution Cesium, April 18, 2000, Lot 792210
SRM 3112Spectrometric Standard Solution Chromium, November 28, 1990
SRM 3112aSpectrometric Standard Solution Chromium, December 21, 1992
SRM 3112aSpectrometric Standard Solution Chromium, April 1, 1994, Lot 491503
SRM 3112aSpectrometric Standard Solution Chromium, June 22, 1995, Lot 590105
SRM 3112aSpectrometric Standard Solution Chromium, October 11, 1996, Lot 692108
SRM 3112aSpectrometric Standard Solution Chromium Lot 990607, July 10, 2007
SRM 3112aSpectrometric Standard Solution Chromium, Lot 030730, December 15, 2014
SRM 3113Cobalt (Co) Standard Solution, February 3, 2012, Lot 000630
SRM 3113Spectrometric Standard Solution Cobalt, December 21, 1993, Lot 391211
SRM 3113Spectrometric Standard Solution Cobalt, March 3, 1995, Lot 593101
SRM 3113Spectrometric Standard Solution Cobalt, May 15, 1996, Lot 692904
SRM 3113Spectrometric Standard Solution Cobalt, April 18, 2000, Lot 891102
SRM 3113Spectrometric Standard Solution Cobalt, May 11, 2001, Lot 000630
SRM 3114Spectrometric Standard Solution Copper Lot 891811, July 10, 2007
SRM 3114Spectrometric Standard Solution Copper, April 15, 1993, Lot 391703
SRM 3114Spectrometric Standard Solution Copper, March 18, 1994, Lot 491802
SRM 3114Spectrometric Standard Solution Copper, May 8, 1995, Lot 592803
SRM 3114Spectrometric Standard Solution Copper, April 8, 1997, Lot 791601
SRM 3114Spectrometric Standard Solution Copper, December 5, 2003, Lot 891811
SRM 3114Copper (Cu) Standard Solution, Lot 121207, January 25, 2018
SRM 3115Spectrometric Standard Solution Dysprosium, September 25, 1992
SRM 3115aSpectrometric Standard Solution Dysprosium, December 27, 1993, Lot 391810
SRM 3115aSpectrometric Standard Solution Dysprosium, June 21, 1995, Lot 591505
SRM 3115aSpectrometric Standard Solution Dysprosium, April 16, 1996, Lot 691303
SRM 3115aSpectrometric Standard Solution Dysprosium, June 1, 2004, Lot 990504
SRM 3115aDysprosium (Dy) Standard Solution, Lot 990504, August 18, 2016
SRM 3116Spectrometric Standard Solution Erbium, September 25, 1992
SRM 3116aSpectrometric Standard Solution Erbium, December 21, 1993, Lot 391910
SRM 3116aSpectrometric Standard Solution Erbium,June 22, 1995, Lot 591005
SRM 3116aSpectrometric Standard Solution Erbium, September 10, 1996, Lot 691906
SRM 3116aSpectrometric Standard Solution Erbium, February 3, 2012, Lot 000831
SRM 3117Spectrometric Standard Solution Europium, September 25, 1992
SRM 3117aSpectrometric Standard Solution Europium, January 11, 1994, Lot 391512
SRM 3117aSpectrometric Standard Solution Europium, August 4, 1995, Lot 590206
SRM 3117aSpectrometric Standard Solution Europium, October 11, 1996, Lot 691607
SRM 3117aSpectrometric Standard Solution Europium, September 13, 2000, Lot 991307
SRM 3118Spectrometric Standard Solution Gadolinium, September 25, 1992
SRM 3118aSpectrometric Standard Solution Gadolinium, January 11, 1994, Lot 392212
SRM 3118aSpectrometric Standard Solution Gadolinium, July 30, 1996, Lot 692005
SRM 3118aSpectrometric Standard Solution Gadolinium, May 17, 2000, Lot 992004
SRM 3118aGadolinium (Gd) Standard Solution, Lot 992004, February 25, 2016
SRM 3119Spectrometric Standard Solution Gallium, March 1, 1989
SRM 3119aSpectrometric Standard Solution Gallium, May 8, 1995, Lot 591703
SRM 3119aSpectrometric Standard Solution Gallium, June 28, 1996, Lot 692905
SRM 3119aSpectrometric Standard Solution Gallium, November 12, 2003, Lot 890709
SRM 3120Spectrometric Standard Solution Germanium, November 17, 1994, Lot 493008
SRM 3120Spectrometric Standard Solution Germanium, February 20, 1996, Lot 692401
SRM 3120Spectrometric Standard Solution Germanium, March 25, 1997, Lot 791102
SRM 3120Spectrometric Standard Solution Germanium, May 18, 1988
SRM 3120aSpectrometric Standard Solution Germanium, July 14, 2000, Lot 000411
SRM 3120aSpectrometric Standard Solution Germanium, August 27, 2015, Lot 080429
SRM 3121Spectrometric Standard Solution, Gold, August 19, 2016, Lot 991806
SRM 3121Spectrometric Standard Solution Gold, September 1, 1993, Lot 390908
SRM 3121Spectrometric Standard Solution Gold, February 13, 1995, Lot 591701
SRM 3121Spectrometric Standard Solution Gold, July 19, 1996, Lot 690406
SRM 3121Spectrometric Standard Solution Gold, May 15, 1997, Lot 691012
SRM 3122Spectrometric Standard Solution Hafnium, March 2, 1994, Lot 490402
SRM 3122Spectrometric Standard Solution Hafnium, January 23, 1996, Lot 592811
SRM 3122Spectrometric Standard Solution Hafnium, September 13, 2000, Lot 000406
SRM 3122Spectrometric Solution Hafnium, September 24, 2012, Lot 080430
SRM 3123Spectrometric Standard Solution Holmium, September 25, 1992
SRM 3123aSpectrometric Standard Solution Holmium, January 11, 1994, Lot 391612
SRM 3123aSpectrometric Standard Solution Holmium, August 3, 1995, Lot 590106
SRM 3123aSpectrometric Standard Solution Holmium, October 17, 2003, Lot 790812
SRM 3124Spectrometric Standard Solution Indium, July 27, 1992
SRM 3124aSpectrometric Standard Solution Indium, January 22, 1993
SRM 3124aSpectrometric Standard Solution Indium, January 10, 1994
SRM 3124aSpectrometric Standard Solution Indium, February 13, 1995
SRM 3124aSpectrometric Standard Solution Indium, March 21, 1996, Lot 692802
SRM 3124aSpectrometric Standard Solution Indium, January 31, 1997, Lot 690312
SRM 3124aSpectrometric Standard Solution Indium, October 26, 2004, Lot 991219
SRM 3126Spectrometric Standard Solution Iron, February 23, 1990
SRM 3126aSpectrometric Standard Solution Iron, November 18, 1993, Lot 390710
SRM 3126aSpectrometric Standard Solution Iron, November 28, 1994, Lot 491310
SRM 3126aSpectrometric Standard Solution Iron, March 27, 1996, Lot 692902
SRM 3126aSpectrometric Standard Solution Iron, January 24, 2000, Lot 792411
SRM 3126aSpectrometric Standard Solution Iron, June 1, 2004, Lot 000606
SRM 3127Spectrometric Standard Solution Lanthanum
SRM 3127aSpectrometric Standard Solution Lanthanum, January 22, 1993
SRM 3127aSpectrometric Standard Solution Lanthanum, July 28, 1993,Lot 392506
SRM 3127aSpectrometric Standard Solution Lanthanum, January 24, 1995, Lot 490712
SRM 3127aSpectrometric Standard Solution Lanthanum, July 30, 1996, Lot 691806
SRM 3127aSpectrometric Standard Solution Lanthanum, February 3, 2012, Lot 890402
SRM 3128Spectrometric Standard Solution Lead September 26, 2005, Lot 030721
SRM 3128Spectrometric Standard Solution Lead, February 6, 1991
SRM 3128Spectrometric Standard Solution Lead, March 18, 1994, Lot 490103
SRM 3128Spectrometric Standard Solution Lead, June 13, 1995, Lot 592104
SRM 3128Spectrometric Standard Solution Lead, May 28, 1997, Lot 790704
SRM 3128Spectrometric Standard Solution Lead December 5, 2003, Lot 991504
SRM 3129Spectrometric Standard Solution Lithium, August 11, 1989
SRM 3129aSpectrometric Standard Solution Lithium, April 5, 1993, Lot 390104
SRM 3129aSpectrometric Standard Solution Lithium, March 2, 1994, Lot 490102
SRM 3129aSpectrometric Standard Solution Lithium, June 6, 1996, Lot 590712
SRM 3129aSpectrometric Standard Solution Lithium, April 18, 2000, Lot 792005
SRM 3129aSpectrometric Standard Solution Lithium, February 3, 2005, Lot 000505
SRM 3130Spectrometric Standard Solution Lithium, September 25, 1992
SRM 3130aSpectrometric Standard Solution Lithium, January 11, 1994, Lot 391712
SRM 3130aSpectrometric Standard Solution Lithium, July 20, 1995, Lot 590507
SRM 3130aSpectrometric Standard Solution Lithium, December 22, 2003, Lot 892704
SRM 3131Spectrometric Standard Solution Magnesium, September 29, 1989
SRM 3131aSpectrometric Standard Solution Magnesium, February 16, 1993
SRM 3131aSpectrometric Standard Solution Magnesium, April 1, 1994, Lot 491403
SRM 3131aSpectrometric Standard Solution Magnesium, May 4, 1995, Lot 590203
SRM 3131aSpectrometric Standard Solution Magnesium, May 2, 1996, Lot 692903
SRM 3131aSpectrometric Standard Solution Magnesium, January 29, 1997, Lot 692911
SRM 3131aSpectrometric Standard Solution Magnesium, October 27, 2003, Lot 991107
SRM 3131aSpectrometric Standard Solution Magnesium, April 4, 2014, Lot 050302
SRM 3132Spectrometric Standard Solution Manganese, March 1, 1989
SRM 3132Spectrometric Standard Solution Manganese, May 26, 1993, Lot 390305
SRM 3132Spectrometric Standard Solution Manganese, June 1, 1994, Lot 490305
SRM 3132Spectrometric Standard Solution Manganese, October 18, 1995, Lot 592609
SRM 3132Spectrometric Standard Solution Manganese, August 8, 2006, Lot 050429
SRM 3132Spectrometric Standard Solution Manganese, October 24, 2007, Lot 890903
SRM 3133Spectrometric Standard Solution Mercury, October 18, 2004
SRM 3133Mercury (Hg) Standard Solution, Lot 061204, October 13, 2011
SRM 3135Spectrometric Standard Solution Neodymium
SRM 3136Phosphate Anion (PO?³–) Standard Solution, Lot #090723, March 21, 2014
SRM 3137Niobium (Nb) Standard Solution, Lot 120629, June 29, 2017
SRM 3137Spectrometric Standard Solution, Niobium Lot #080502, October 14, 2011
SRM 3138Palladium (Pd) Standard Solution, Lot 090629, October 14, 2011
SRM 3139Phosphorus Standard Solution, August 11, 1989
SRM 3139aPhosphorus Standard Solution Lot 890607, October 29, 2003
SRM 3140Spectrometric Standard Solution Platinum, March 20, 1991
SRM 3140Spectrometric Standard Solution Platinum, Lot 390305, May 26, 1993
SRM 3140Spectrometric Standard Solution Platinum, Lot 491504, May 3 1994
SRM 3140Spectrometric Standard Solution Platinum, Lot 591708, September 21, 1995
SRM 3140Spectrometric Standard Solution Platinum, Lot 791905, October 25, 1999
SRM 3140Spectrometric Standard Solution Platinum, Lot 000615, December 3, 2012
SRM 3141Potassium Standard Solution, August 11, 1989
SRM 3141aPotassium Standard Solution, December 21, 1992
SRM 3141aPotassium Standard Solution Lot 493101, February 22, 1994
SRM 3141aPotassium Standard Solution Lot 690612, March 5, 1997
SRM 3141aPotassium Standard Solution Lot 891312, April 23, 2007
SRM 3141aPotassium Standard Solution, September 19, 2011, Lot 051220
SRM 3142Spectrometric Standard Solution Praseodymium, December 21, 1989
SRM 3142aSpectrometric Standard Solution Praseodymium, January 22, 1993
SRM 3142aSpectrometric Standard Solution Praseodymium Lot #491108, September 21, 1994
SRM 3142aSpectrometric Standard Solution Praseodymium, February 6, 1996
SRM 3142aSpectrometric Standard Solution Praseodymium, December 5, 2003, Lot 990501
SRM 3142aPraseodymium (Pr) Standard Solution, July 19, 2017, Lot #990501
SRM 3143Spectrometric Standard Solution Rhenium, November 28, 2012. Lot 010816
SRM 3143Spectrometric Standard Solution Rhenium, April 11, 1991
SRM 3143Spectrometric Standard Solution Rhenium, October 26, 1993
SRM 3143Spectrometric Standard Solution Rhenium, September 20, 1995, Lot 593107
SRM 3143Spectrometric Standard Solution Rhenium, March 25, 1997, Lot 791202
SRM 3143Spectrometric Standard Solution Rhenium, October 30, 2001, Lot 010816
SRM 3144Spectrometric Standard Solution Rhodium, December 21, 1992
SRM 3144Spectrometric Standard Solution Rhodium Lot 490906, August 11, 1994
SRM 3144Spectrometric Standard Solution Rhodium, Lot 490512, January 24, 1995
SRM 3144Spectrometric Standard Solution Rhodium, Lot 591906, August 2, 1995
SRM 3144Rhodium (Rh) Standard Solution, Lot 070619, October 28, 2011
SRM 3145Spectrometric Standard Solution Rubidium, September 25, 1992
SRM 3145Spectrometric Standard Solution Rubidium, Lot 891203, October 27, 2003
SRM 3147aSpectrometric Standard Solution Samarium, August 23, 1995
SRM 3147aSpectrometric Standard Solution Samarium Lot # 892911, December 5, 2003
SRM 3147aSamarium (Sm) Standard Solution, Lot 892911, February 9, 2011
SRM 3148Spectrometric Standard Solution Scandium, March 9, 1990
SRM 3148aSpectrometric Standard Solution Scandium, August 11,1994
SRM 3148aSpectrometric Standard Solution Scandium, July 20, 1995
SRM 3148aSpectrometric Standard Solution Scandium Lot #791610, August 4, 1998
SRM 3148aSpectrometric Standard Solution Scandium Lot #792111, November 1, 2007
SRM 3149Spectrometric Standard Solution Selenium, April 4, 1991
SRM 3149Spectrometric Standard Solution Selenium Lot #390608, September 1, 1993
SRM 3149Spectrometric Standard Solution Selenium Lot #492607, August 11, 1994
SRM 3149Spectrometric Standard Solution Selenium Lot #693101, March 6, 1996
SRM 3149Spectrometric Standard Solution Selenium, Lot #690912, April 4, 1997
SRM 3149Spectrometric Standard Solution Selenium, Lot 992106, June 1, 2004
SRM 3150Spectrometric Standard Solution Silicon, August 11, 1989
SRM 3150Spectrometric Standard Solution Silicon, March 15, 1993
SRM 3150Spectrometric Standard Solution Silicon, July 6, 1994
SRM 3150Spectrometric Standard Solution Silicon Lot #490404, February 13, 1995
SRM 3150Spectrometric Standard Solution Silicon Lot #592009, October 19, 1995
SRM 3150Spectrometric Standard Solution Silicon Lot # 791504, May 19, 1997
SRM 3150Spectrometric Standard Solution Silicon Lot # 991108, May 24, 2000
SRM 3150Spectrometeric Standard Solution Silicon, Lot #071204, November 19. 2012
SRM 3151Spectrometric Standard Solution Silver (Ag), Lot 992212, February 3, 2012
SRM 3151Spectrometric Standard Solution Silver, August 11, 1989
SRM 3151Spectrometric Standard Solution Silver Lot #390207, August 24, 1993
SRM 3151Spectrometric Standard Solution Silver, August 11, 1994
SRM 3151Spectrometric Standard Solution Silver, September 21, 1995
SRM 3151Spectrometric Standard Solution Silver, October 26, 2004
SRM 3152Spectrometric Standard Solution Sodium
SRM 3152aSodium (Na) Standard Solution, Lot 120715, January 16, 2018
SRM 3153Spectrometric Standard Solution Strontium
SRM 3155Tantalum (Ta) Standard Solution, Lot 110715, September 6, 2016
SRM 3156Tellurium (Te) Standard Solution, November 4, 2011, Lot #892901
SRM 3157Spectrometric Standard Solution Terbium
SRM 3158Spectrometric Standard Solution, Thallium, February 3, 2012, Lot 993012
SRM 3159Thorium (Th) Standard Solution, Lot #992912, August 25, 2009,
SRM 3160Spectrometric Standard Solution Thulium
SRM 3161Spectrometric Standard Solution Tin, Lot 490804
SRM 3162Spectrometric Standard Solution Titanium
SRM 3162aTitanium (Ti) Standard Solution Lot No. 060808
SRM 3164Uranium Standard Solution, Lot 891509, June 20, 2006
SRM 3164Uranium Standard Solution, Lot 390709, October 5, 1993
SRM 3164Uranium Standard Solution, Lot 492110, Decvember 1994
SRM 3164Uranium Standard Solution, Lot 590811, February 7, 1996
SRM 3164Uranium Standard Solution, Lot 791402, March 25, 1997
SRM 3165Vanium (V) Standard Solution, Lot 992706, March 19, 2012
SRM 3166Spectrometric Standard Solution Ytterbium
SRM 3166aYtterbium (Yb) Standard Solution, September 22, 2011, Lot 790512
SRM 3167Spectrometric Standard Solution Yttrium
SRM 3168Spectrometric Standard Solution Zinc
SRM 3168aSpectrometric Standard Solution Zinc, Lot 001402
SRM 3168aSpectrometric Standard Solution Zinc, Lot 080123
SRM 3169Zirconium (Zr) Standard Solution Lot No. 071226
SRM 3171Multielement Mix D Standard Solution
SRM 3171aMultielement Mix A-1 Standard Solution
SRM 3172Multielement Mix D Standard Solution
SRM 3172aMultielement Mix B-1 Standard Solution
SRM 3174Multielement Mix D Standard Solution
SRM 3180Iodide Anion (I-) Standard Solution, Lot #110530, February 1, 2019
SRM 3181Sulfate Anion (SO42–) Standard Solution, Lot #080603, April 15, 2019
SRM 3181Anion Standard Solution Sulfate, June 14, 1991
SRM 3181Anion Standard Solution Sulfate, Batch Code 590812, February 6, 1996
SRM 3181Anion Standard Solution Sulfate, Batch Code 492111, January 24, 1995
SRM 3181Anion Standard Solution Sulfate, Batch Code 391507, August 25, 1993
SRM 3181Sulfate Anion Standard Solution, Lot # 791208, September 2, 1999
SRM 3181Anion Standard Solution Sulfate, January 26, 1987
SRM 3182Anion Standard Solution Chloride, Batch Code 291701, April 2, 1992
SRM 3182Anion Standard Solution Chloride, Batch Code 490507, August 12, 1994
SRM 3182Chloride Anion (Cl-) Standard Solution, Lot # 060925, January 17, 2020
SRM 3182Anion Standard Solution Chloride, Batch Code 490507, August 12, 1994
SRM 3182Standard Solution Chloride Anion, Lot Code 792105, August 22, 1997
SRM 3182Chloride Anion Standard Solution, Lot # 992802, November 5, 2003
SRM 3182Chloride Anion (Cl-) Standard Solution, Lot # 190830, December 18, 2020
SRM 3182Anion Standard Solution Chloride, Batch Code 591507, September 20, 1995
SRM 3182Chloride Anion Standard Solution, Lot #990506, October 6, 2006
SRM 3183Fluoride Anion (F-) Standard Solution, Lot #050721, December 8, 2011
SRM 3183Standard Solution Fluoride Anion Lot Code 792706, August 22, 1997
SRM 3183Fluoride Anion Standard Solution, Lot #050718,
SRM 3183Fluoride Anion (F-) Standard Solution, Lot #140203, November 16, 2016
SRM 3183Fluoride Anion Standard Solution, Lot #991510, November 5, 2003
SRM 3183Anion Standard Solution Fluoride, Batch Code 390212, January 5, 1994
SRM 3183Anion Standard Solution Fluoride, Batch Code 392201, March 15, 1993
SRM 3183Anion Standard Solution Fluoride, Batch Code 491209, December 29, 1994
SRM 3183Spectrometric Standard Solution Fluoride, Batch Code 590210, November 15, 1995
SRM 3183Spectrometric Standard Solution Fluoride, Batch Code 592908, November 1, 1995
SRM 3184Anion Standard Solution Bromide, Batch Code 490908, September 21, 1994
SRM 3184Anion Standard Solution Bromide, Batch Code 592908, January 31, 1996
SRM 3184Bromide Anion (Br-) Standard Solution Lot No. 020701, October 25, 2016
SRM 3184Bromide Anion (Br-) Standard Solution, Lot #151130, November 16, 2016
SRM 3184Bromide Anion Standard Solution, Lot #791510, September 30, 1999
SRM 3184Anion Standard Solution Bromide, Batch Code 292909, December 20, 1992
SRM 3185Anion Standard Solution Nitrate, Batch Code 290402, April 2, 1992
SRM 3185Nitrate Anion (NO3-) Standard Solution, Lot #170309, August 14, 2017
SRM 3185Nitrate Anion Standard Solution, Lot #991508, April 25, 2005
SRM 3185Nitrate Anion (NO3- ) Standard Solution, Lot 050517, August 15, 2017
SRM 3185Anion Standard Solution Nitrate, Batch Code 490405, August 16, 1994
SRM 3185Standard Solution Nitrate Anion, Lot Code 691608, October 22, 1996
SRM 3186Phosphate Anion Standard Solution, Lot #000330, April 25, 2005
SRM 3186Phosphate Anion (PO4 3-) Standard Solution, Lot 090723, March 21, 2014
SRM 3186Phosphate Anion (PO4 3-) Standard Solution, Lot #170606, June 3, 2021
SRM 3186Phosphate Anion Standard Solution, Lot #791209, October 1, 1999
SRM 3186Spectrometric Standard Solution Phosphate, Batch Code 393108, November 1, 1993
SRM 3186Anion Standard Solution Phosphate, Batch Code 690802, March 5, 1996
SRM 3186Anion Standard Solution Phosphate, January 28, 1991
SRM 3190Aqueous Electrolytic Conductiviity, (25 µS/cm), Lot #101109, August 17, 2011
SRM 3191Aqueous Electrolytic Conductivity, (100 µS/cm), Lot #101203, November 16, 2012
SRM 3192Aqueous Electrolytic Conductivity (500 µS/cm), July 6, 2007
SRM 3193Aqueous Electrolytic Conductivity (1000 µS/cm), Lot #060125, November 18, 2008
SRM 3193Aqueous Electrolytic Conductivity Lot 032608
SRM 3194Aqueous Electrolytic Conductivity Lot 011511
SRM 3195Aqueous Electrolytic Conductivity 100,000 µS/cm
SRM 3196Aqueous Electrolytic Conductivity 20,000 µS/cm
SRM 3198Aqueous Electrolytic Conductivity, August 25, 2009
SRM 3199Aqueous Electrolytic Conductivity, November 14, 2006
SRM 3200Secondary Standard Magnetic Tape (Computer Amplitude Reference)
SRM 3201Secondary Standard for 12.65 mm (0.5 in) Magnetic Tape Cartridge
SRM 3202Secondary Standard for 12.65 mm (0.5 in) Magnetic Tape Cartridge
SRM 3203Secondary Standard for 6.30 mm (0.25 in), 44 000 A/m (550 O/e) Magnetic Tape Cartridge
SRM 3204Secondary Standard for 6.30 mm (0.25 in), 44 000 A/m (550 O/e) Magnetic Tape Cartridge
SRM 3210Secondary Standard Flexible Disk Cartridge (Computer Amplitude Reference)
SRM 3216Secondary Standard Magnetic Tape Cartridge
SRM 3217Secondary Standard for 6.30 mm (0.25 in) Magnetic Tape Cartridge
SRM 3230Iodine-129 Isotopic Standard (Low Level), October 22, 2003
SRM 3231Iodine-129 Isotopic Standard (High Level), October 22, 2003
SRM 3236Soy Protein Isolate, April 8, 2014
SRM 3237Soy Protein Concentrate, October 17, 2014
SRM 3238Soy-Containing Solid Oral Dosage Form, November 2, 2018
SRM 3240Ephedra sinica Stapf Aerial Parts, March 20, 2006
SRM 3241Ephedra sinica Stapf Native Extract, June 19, 2006
SRM 3242Ephedra sinica Stapf Commercial Extract, June 19, 2006
SRM 3243Ephedra-Containing Solid Oral Dosage Form, March 20, 2006
SRM 3244Ephedra-Containing Protein Powder, August 10, 2007
SRM 3245Ephedra Dietary Supplement Suite, June 19, 2006
SRM 3249Ginkgo Dietary Supplement Suite, July 31, 2007
SRM 3257Catechin Calibration Solutions, January 14, 2016
SRM 3258Bitter Orange (Fruit), April 3, 2008
SRM 3259Bitter Orange Extract, April 3, 2008
SRM 3260Bitter Orange-Containing Solid Oral Dosage Form, April 3, 2008
SRM 3261Bitter Orange Dietary Supplemental Suite, April 3, 2008
SRM 3266Hypericin Calibration Solution, January 17, 2012
SRM 3274Botanical Oils Containing Omega-3 and Omega-6 Fatty Acids, June 25, 2015
SRM 3276Carrot Extract in Oil, August 27, 2012
SRM 3280Multivitamin/Multielement Tablets, June 21, 2021
SRM 3286Organic Acids Calibration Solution, February 24, 2016
SRM 3532Calcium-Containing Solid Oral Dosage Form, June 29, 2021
SRM 4201Gamma-Ray Standard Niobium-94
SRM 4201bNiobium-94 Point Source
SRM 4202Gamma-Ray Standard Cadmium-109-Silver-109m
SRM 4202-CGamma Ray Standard Solution Cadmium-109-Silver-109m
SRM 4202DGamma-Ray Standard Cadmium-109-Silver-109m
SRM 4203-BGamma-Ray Point-Source Standard Cobalt-60
SRM 4203-CRadioactivity Standard 60-Cobalt
SRM 4203DCobalt-60 Radioactivity Standard
SRM 4205Gamma-Ray Standard Throium-228-Thallium-208
SRM 4206Gamma-Ray Standard Throium-228-Thallium-208
SRM 4206-BGamma-Ray Standard Thorium-228-Thallium-208
SRM 4206-CGamma-Ray Point-Source Standard
SRM 4207Cesium-137-Barium-137m Point-Source Radioactivity Standard
SRM 4208Gamma-Ray Standard Mercury-203
SRM 4208-BGamma-Ray Standard Mercury-203
SRM 4209Gamma-Ray Standard Yttrium-88
SRM 4209-CRadioactivity Standard
SRM 4210Gamma Ray Standard Cobalt-60
SRM 4211Gamma-Ray Standard Americium-214
SRM 4212Gamma-Ray Standard Krypton-85
SRM 4213Gamma-Ray Americium-241
SRM 4214-BRadioactivity Standard
SRM 4215Mixed Radionuclide Gamma-Ray Emmision-Rate Point-Source Standard
SRM 4215-BMixed Radionuclide Gamma-Ray Emmision-Rate Point-Source Standard
SRM 4215-CMixed Radionuclide Gamma-Ray Emmision-Rate Point-Source Standard
SRM 4215-FMixed Radionuclide Gamma-Ray Emmision-Rate Point-Source Standard
SRM 4216Mixed Radionuclide Gamma-Ray Emmision-Rate Point-Source Standard
SRM 4216-BMixed Radionuclide Gamma-Ray Emmision-Rate Point-Source Standard
SRM 4216-CMixed Radionuclide Gamma-Ray Emmision-Rate Point-Source Standard
SRM 4217Gamma Ray Standard Silver-110m-Silver-110
SRM 4218Europium-152 Point Source Radioactivity Standard
SRM 4218-BEuropium-152 Point Source Radioactivity Standard
SRM 4218-CEuropium-152 Point Source Radioactivity Standard
SRM 4218-DPoint Source Radioactivity Standard Europium-152
SRM 4218-EPoint Source Standard
SRM 4218fEuropium-152 Point Source
SRM 4219-BGamma Ray Solution Standard Cadmium-109-Silver-109m
SRM 4219CRadioactivity Standard
SRM 4221Radioactivity Standard Mercury-197
SRM 4222Beta-Ray Standard
SRM 4222-BRadioactivty Standard
SRM 4222CRadioactivity Standard for Liquid Scintillation Counting
SRM 4224Beta-Ray Standard
SRM 4225Radioactivity Standard Tin-113-Indium-113m
SRM 4226Radioactivity Standard Nickel-63
SRM 4226-BRadioactivity Standard
SRM 4226cNickel-63 Solution
SRM 4228Radioactivity Standard Selenium-75
SRM 4228-BRadioactivity Standard Selemenium-75
SRM 4229Radioactivity Standard Aluminum-26
SRM 4232Radioactivity Standard Silver-110m-Silver-110
SRM 4233Cesium-137 Burn-Up Standard
SRM 4233bCesium-137 Burn-Up Standard
SRM 4233CRadioactivity Standard
SRM 4233dCesium-137 Solution
SRM 4233eCesium-137 Radioactivity Standard, October 1, 2005
SRM 4234Radioactivity Standard Strontium-Yttrium-90
SRM 4234aRadioactivity Standard Strontium-Yttrium-90
SRM 4235Radioactivity Standard Krypton-85
SRM 4235-BGaseous Radioactivity Standard
SRM 4237Europium-152 Point-Source Activity Standard
SRM 4240Radioactivity Standard Bismuth-207
SRM 4241Barium-133 Point-Source Activity Standard
SRM 4241bRadioactivity Point Source Standard
SRM 4241CBarium-133 Point Source
SRM 4242Mixed Radionuclide Gamma-Ray Emission-Rate Standard
SRM 4242-BMixed Radionuclide Gamma-Ray Emission-Rate Standard
SRM 4242-CMixed Radionuclide Gamma-Ray Emission-Rate Standard
SRM 4242-DMixed Radionuclide Gamma-Ray Emission-Rate Standard
SRM 4242-EMixed Radionuclide Gamma-Ray Emission-Rate Standard
SRM 4242-FMixed Radionuclide Gamma-Ray Emission-Rate Standard
SRM 4242HMixed Radionuclide Gamma-Ray Emission-Rate Standard
SRM 4243Mixed Radionuclide Gamma-Ray Emission-Rate Standard
SRM 4243-BMixed Radionuclide Gamma-Ray Emission-Rate Standard
SRM 4243-EMixed Radionuclide Gamma-Ray Emission-Rate Standard
SRM 4243-HMixed Radionuclide Gamma-Ray Emission-Rate Standard
SRM 4244Mixed Radionuclide Gamma-Ray Emission-Rate Standard
SRM 4244-BMixed Radionuclide Gamma-Ray Emission-Rate Standard
SRM 4249Radioactivity Standard Barium-Lanthanum-140
SRM 4250Radioactivity Standard Cesium-134
SRM 4250BRadioactivity Standard
SRM 4251Barium-133 Radioactivity Standard
SRM 4251BBarium-133 Radioactivity Standard
SRM 4251cBarium-133 Radioactivity Standard Solution, October 1, 1994
SRM 4252Mixed Radionuclide Radioactivity Standard
SRM 4253Mixed Radionuclide Radioactivity Standard
SRM 4254Mixed Radionuclide Gamma-Ray Emission-Rate Solution Standard
SRM 4254-BMixed Radionuclide Gamma-Ray Emission-Rate Solution Standard
SRM 4254-CMixed Radionuclide Gamma-Ray Emission-Rate Solution Standard
SRM 4257Manganese-54 Radioactivity Standard
SRM 4260Photon-Emission-Rate Standard Sample Iron-55
SRM 4260-CLow-Energy Photon Standard
SRM 4261K-X-Ray-Emission-Rate Standard Cadium-109
SRM 4263K-X-Ray-Emission-Rate Standard Strontium-85
SRM 4264Point-Source Gamma-Ray Emission-Rate Standard Tin-121m
SRM 4264-BPoint-Source Gamma-Ray Emission-Rate Standard
SRM 4265Photon-Emission-Rate Standard Iodine-125
SRM 4265BRadioactivity Standard
SRM 4266Low Energy Photon Standard
SRM 4267Radioactivity Standard for Low-Energy-Photon-Efficiency and Reactor-Neutron-Dosimetry Calibrations
SRM 4275BMixed Radionuclide Gamma-Ray Emission-Rate Standard for the Efficiency Calibration of Germanium Spectometer Systems
SRM 4276bAntimony-125-Tellurium-125m
SRM 4288Radioactivity Standard
SRM 4288aTechnetium-99 Radioactivity Standard, October, 1996
SRM 4300Argon-37
SRM 4300-BArgon-37 Gaseous Radioactivity Standard
SRM 4301Argon-37
SRM 4302Argon-39 Gaseous Radioactivity Standard
SRM 4305Radioactivity Standard Xenon-131m
SRM 4306-BXenon-133
SRM 4307-BGaseous Radioactivity Standard Xenon-133
SRM 4307-CXenon-133 Gaseous Radioactivity Standard
SRM 4307-DXenon-133 Gaseous Radioactivity Standard
SRM 4307GXenon-133 Gaseous Radioactivity Standard
SRM 4307HGaseous Radioactivity Standard
SRM 4308Krypton-85 Gamma-Ray Emission-Rate Gaseous Standard
SRM 4308-BKrypton-85 Gaseous Radioactivity Standard
SRM 4308-CGaseous Radioactivity Standard Krypton-85
SRM 4309Xenon-127 Gaseous Radioactivity Standard
SRM 4309-BXenon-127 Gaseous Radioactivity Standard
SRM 4309-CXenon-127 Gaseous Radioactivity Standard
SRM 4309-FGaseous Radioactivity Standard Xenon-127
SRM 4309DGaseous Radioactivity Standard Xenon-127
SRM 4309EGaseous Radioactivity Standard Xenon-127
SRM 4310Gaseous Radioactivity Standard Xenon-133, Xenon-127, Krypton-85
SRM 4310-BGaseous Radioactivity Standard Xenon-133, Xenon-127, Krypton-85
SRM 4320 Curium-244 Radioactivity Standard
SRM 4320aCurium-244 Radioactivity Standard
SRM 4321Alpha-Particle-Solution Standard Natural Uranium
SRM 4321BAlpha-Particle-Solution Standard Natural Uranium
SRM 4321cNatural Uranium Radioacitivity Standard Solution, August 4, 2017
SRM 4322Alpha-Particle-Solution Standard Americium-241
SRM 4323Alpha-Particle-Solution Standard
SRM 4323aPlutonium-238 Solution
SRM 4323bPlutonium-238 Radioactivity Standard, July 30, 2009
SRM 4324Radioactivity Standard Uranium-232
SRM 4324aRadioactivity Standard Uranium-232
SRM 4326Polonium-209 Radioactivity Standard Solution, December 2005
SRM 4327Radioactivity Standard Polonium-128
SRM 4328Radioactivity Standard Thorium-229
SRM 4328AThorium-229 Radioactivity Standard
SRM 4328bThorium-229 Solution
SRM 4329Curium-243 Radioactivity Standard, March, 1985
SRM 4330Plutonium-239 Alpha-Particle Solution Standard
SRM 4330aPlutonium-239 Radioactivity Standard
SRM 4330BPlutonium-239 Solution
SRM 4332Alpha-Particle Radioactivity Standard Americium-243-Neptunium-239
SRM 4332BRadioactivity Standard Americium-243
SRM 4332CRadioactivity Standard Americium-243
SRM 4332DAmericium-243 Solution
SRM 4333Alpha-Particle Radioactivity Standard Americium-243-Neptunium-239
SRM 4334Alpha-Particle Solution Standard Plutonium-242
SRM 4334BPlutonium-242 Alpha-Particle Solution Standard
SRM 4334CAlpha-Particle Solution Standard Plutonium-242
SRM 4334DAlpha-Particle Solution Standard Plutonium-242
SRM 4334ERadioactivity Standard Plutonium-242
SRM 4334gPlutonium-242 Solution
SRM 4334HPlutonium-242 Solution
SRM 4334iPlutonium-242 Radioactivity Standard, June 30, 2010
SRM 4335Plutonium-242 Alpha-Particle Solution Standard
SRM 4336Alpha Particle Solution Standard Polonium-210
SRM 4338Alpha-Particle Emission-Rate Solution Standard Plutonium-240
SRM 4339Radioactivity Standard Radium-228
SRM 4340Deta-Particle Solution Plutonium-241
SRM 4340aPlutonium-241 Solution
SRM 4342Thorium-230 Solution, April 1, 1999
SRM 4350Environmental Radioactivity Standard: River Sediment
SRM 4353Environmental Radioactivity, April 1, 1981
SRM 4361Radioactivity Standard Hydrogen-3
SRM 4361BRadioactivity Standard Hydrogen-3
SRM 4369Radioactivity Standard Gadolinium-153
SRM 4370Radioactivity Standard Europium-152
SRM 4370-BRadioactivity Standard Europium-152
SRM 4400L-NRadioactivity Standard Chromium-51
SRM 4401HIodine-131 Radioactivity Standard, Lot 42, March 2016
SRM 4401HIodine-131 Radioactivity Standard, Lot 43, April 2017
SRM 4401LIodine-131 Radioactivity Standard, Lot 42, March 2016
SRM 4401LIodine-131 Radioactivity Standard, Lot 43, April 2017
SRM 4401LLot 29 Iodine-131 Radioactivity Standard
SRM 4402L-CRadioactivity Standard Tin-113-Indium-113m
SRM 4403L-BRadioactivity Standard Strontium-85
SRM 4404HThallium-201 Radioactivity Standard, Lot 40, July 2017
SRM 4404HTechnetium-99m Radioactivity Standard, Lot 43, April 2018
SRM 4404HThallium-201 Radioactivity Standard, Lot 39, March 2017
SRM 4404LThallium-201 Radioactivity Standard, Lot 39, March 2017
SRM 4404LThallium-201 Radioactivity Standard, Lot 40, July 2017
SRM 4404LThallium-201 Radioactivity Standard, Lot 25, August 2002
SRM 4405LRadioactivity Standard Gold-198
SRM 4406L-MRadioactivity Standard Phosphorus-32
SRM 4407HIodine-125 Radioactivity Standard, Lot 41, March 2017
SRM 4407HIodine-125 Radioactivity Standard, Lot 42, June 2019
SRM 4407HYIodine-125 Radioactivity Standard
SRM 4407LIodine-125 Radioactivity Standard Lot 27
SRM 4407LIodine-125 Radioactivity Standard, Lot 42, June 2019
SRM 4407LIodine-125 Radioactivity Standard, Lot 41, March 2017
SRM 4407LYIodine-125 Radioactivity Standard
SRM 4408L-ERadioactivity Standard Cobalt-57
SRM 4410HTechnetium-99m Radioactivity Standard, Lot 42, October 2016
SRM 4410HTechnetium-99m Radioactivity Standard, Lot 43, April 2018
SRM 4410HTechnetium-99m Radioactivity Standard, Lot 41, September 2015
SRM 4411L-BRadioactivity Standard Iron-59
SRM 4412HMolybdenum-99 Radioactivity Standard, Lot 42, June 2017
SRM 4412HMolybdenum-99 Radioactivity Standard, Lot 41, October 2016
SRM 4412LMolybdenum-99 Radioactivity Standard, Lot 41, October 2016
SRM 4412LMolybdenum-99 Radioactivity Standard, Lot 42, June 2017
SRM 4412LMolybdenum-99 Radioactivity Standard, Lot 28
SRM 4414L-BRadioactivity Standard Iodine-123
SRM 4415HXenon-133 Radioactivity Standard, Lot 38, June 2016
SRM 4415LXenon-133 Radioactivity Standard, Lot 38, June 2016
SRM 4415L-RGaseous Radioactivity Standard
SRM 4415LXXenon-133 Radioactivity Standard
SRM 4416HGallium-67 Radioactivity Standard, Lot 37, March 2017
SRM 4416HGallium-67 Radioactivity Standard, Lot 38, July 2017
SRM 4416LGallium-67 Radioactivity Standard, Lot 38, July 2017
SRM 4416LGallium-67 Radioactivity Standard, Lot 37, March 2017
SRM 4416L-FGallium-67 Radioactivity Standard
SRM 4416LUGallium-67 Radioactivity Standard
SRM 4417HIndium-111 Radioactivity Standard, Lot 37, May 2018
SRM 4417HIndium-111 Radioactivity Standard, Lot 36, December 2016
SRM 4417LIndium-111 Radioactivity Standard, Lot 36, December 2016
SRM 4417LIndium-111 Radioactivity Standard, Lot 37, May 2018
SRM 4417LIndium-111 Radioactivity Standard, Lot 22, September 2002
SRM 4418LMercury-203
SRM 4419L-CYtterbium-169
SRM 4420L-BLead-203
SRM 4421LGold-195
SRM 4422LChlorine-36
SRM 4423LStrontium-90
SRM 4425LSamarium-153 Lot 8
SRM 4427HYttrium-90 Radioactivity Standard, Lot 20, June 2017
SRM 4427HDYttrium-90
SRM 4427LYttrium-90
SRM 4427LYttrium-90 Radioactivity Standard, Lot 20, June 2017
SRM 4427LDYttrium-90
SRM 4500Radiochromic Solution for Reference Dosimetry
SRM 4902Alpha-Ray Standard Polonium-210
SRM 4904S-GAlpha-Particle Standard Americium-241
SRM 4906L-CPlutonium-238
SRM 4907Alpha-Particle Standard Gadolinium-148
SRM 4915EColbalt-60 Radioactivity Standard
SRM 4919hStrontium-90 Solution
SRM 4922-ESodium-22 Radioactivity Standard
SRM 4926EHydrogen-3 Radioactivity Standard
SRM 4927FHydrogen-3 Radioactivity Standard
SRM 4928-CSulfur-35 Radioactivity Standard
SRM 4968Radium-226/Radon 222 Capsule
SRM 4971Radon-222 Emanation Standard
SRM 4972Radon-222 Emanation Standard
SRM 4973Radon-222 Emanation Standard
SRM 4974Radon-222 Emanation Standard
SRM 736L1Copper Thermal Expansion, October 7, 1990
SRM 739L1Thermal Expansion
SRM 739L2Thermal Expansion
SRM 739L3Thermal Expansion
RM 8031BCR No 61 Trace Elements in an Aquatic Moss
RM 8032BCR No 141 Trace Elements in a Calcareous Loan Soil
RM 8033BCR No 142 Trace Elements in a Light Sandy Soil
RM 8034BCR No 144 Trace Elements in a Sewage Soil
RM 8035BCR No 146 Trace Elements in a Sewage Sludge of Mainly Industrial Origin
RM 8040Sodium Oxalate (Reductometric Standard), October 13, 2015
RM 8327Peptide Reference Material for Molecular Mass and Purity Measurments, March 19, 2007
RM 8384N-tertiary-butyl-2-benzothiazole sulfenamide (TBBS)
RM 8385Ultra-High Molecular Weight, October 5, 2007
RM 8395Tissue Engineering Reference Scaffold, April 10, 2009
RM 8396Tissue Engineering Reference Scaffold, April 10, 2009
RM 8397Tissue Engineering Reference Scaffold, April 10, 2009
RM 8406Mercury In Tennessee River Sediments
RM 8407Mercury In Tennessee River Sediments
RM 8408Mercury In Tennessee River Sediments
RM 8409Simulated Rainwater
RM 8410Asbestos Research Filter
RM 8411Mixed Asbestos Research Filter, November 18, 1988
RM 8412Corn Stalk (Zea Mays)
RM 8413Corn Kernal (Zea Mays)
RM 8414Bovine Muscle Powder (Beef)
RM 8415Whole Egg Powder
RM 8416Microcrysalline Cellulose
RM 8418Wheat Gluten
RM 8419Inorganic Constituents in Bovine Serum
RM 8422Sintered Tungsten
RM 8423Sintered Tungsten
RM 8430Aspartate Aminotransferase (AST) (E.C.2.6.1.1.) - Human Erythrocyte Source
RM 8431aMixed Diet
RM 8432Corn Starch
RM 8433Corn Bran
RM 8435Whole Milk Powder
RM 8436Durum Wheat Flour
RM 8437Hard Red Spring Wheat Flour
RM 8438Soft Winter Wheat Flour
RM 8441Wheat Hardness
RM 8456Ultra HIgh Molecular Weight Polyethylene, June 12, 2012
RM 8457Ultra HIgh Molecular Weight Polyethylene 0.5 cm Cubes, June 18, 2012
RM 8486Portland Cement Clinker
RM 8487Portland Cement Clinker
RM 8488Portland Cement Clinker
RM 8491Sugarcane Bagasse Whole Biomass Feedstock, February 28, 2011
RM 8492Eastern Cottonwood Whole Biomass Feedstock, February 28, 2011
RM 8493Monterey Pine Whole Biomass Feedstock, February 28, 2011
RM 8494Wheat Straw Whole Biomass Feedstock, March 26, 2014
RM 8500aA Catalyst Package for Lubricant Oxidation
RM 8501A Catalyst Package for Lubricant Oxidation (ASTM Sequence IIIE Engine Test)
RM 8504Transformer Oil, February 14, 2006
RM 8511Volatile Toxic Organics in Nitrogen (Ambient Air Standard)
RM 8517Flash Point n-Decane
RM 8518Flash Point n-Undecane
RM 8519Flash Point n-Tetradecane
RM 8520Flash Point n-Hexadecane
RM 8531Glass Fibers for Microanalysis
RM 8538NBS30-Biotite, June 22, 1992
RM 8543NBS18 (Carbon Isotopes in Carbonatite), April 9, 2013
RM 8556NBS123 (Sulfur Isotopes in Sphalerite), May 10, 2019
RM 8559Natural Gas, Coal Origin , December 31, 2007
RM 8560Natural Gas, Petroleum Origin, December 31, 2007
RM 8561Natural Gas, Biogenc, December 31, 2007
RM 8570Surface Area Reference Materials Kaolin
RM 8571Surface Area Reference Materials Alumina
RM 8572Surface Area Reference Materials Silica-Alumina
RM 8573L-glutamic Acid USGS40 (Light Carbon and Nitrogen Isotopes in L-glutamic Acid), December 18, 2007
RM 8631Medium Test Dust
RM 8640Microspheres w/Immobilized Fluorescein Isothiocyanate
RM 8642FDA Saxitoxin Dihydrochloride Solution, September 12, 2013
RM 8771Sulfur in Diesel Fuel Blend Stock, July 8, 2005
SRM 1206-2,1207-1,1High Temperature Alloy Standards, August 1, 1981
SRM 2530-1Ellipsometric Parameters and Derived Thickness
SRM 2530-2Ellipsometric Parameters and Derived Thickness
SRM 2530-3Ellipsometric Parameters and Derived Thickness
U-005 U-005Uranium Isotopic Standard, Provisional, April 21, 1969
U-005a U-005aUranium Isotopic Standard, July 12, 1984
U-010 U-010Uranium Isotopic Standard, April 6, 1981
U-015 U-015Uranium Isotopic Standard, April 6, 1981
U-0002 U-0002Uranium Isotopic Standard, April 6, 1981
U-020 U-020Uranium Isotopic Standard, Provisional, April 21, 1969
U-020a U-020aUranium Isotopic Standard, March 1, 1985
U-030 U-030Uranium Isotopic Standard, Provisional, April 21, 1969
U-030a U-030aUranium Isotopic Standard, March 1, 1985
SRMs 370-387Standard Materials for Rubber Compounding
U-050 U-050Uranium Isotopic Standard, April 6, 1981
U-100 U-100Uranium Isotopic Standard, April 6, 1981
U-150 U-150Uranium Isotopic Standard, April 6, 1981
U-200 U-200Uranium Isotopic Standard, April 6, 1981
U-350 U-350Uranium Isotopic Standard, April 6, 1981
U-500 U-500Uranium Isotopic Standard, April 6, 1981
U-750 U-750Uranium Isotopic Standard, April 6, 1981
U-800 U-800Uranium Isotopic Standard, April 6, 1981
U-850 U-850Uranium Isotopic Standard, April 6, 1981
U-900 U-900Uranium Isotopic Standard, April 6, 1981
U-930 U-930Uranium Isotopic Standard, April 6, 1981
U-970 U-970Uranium Isotopic Standard, April 6, 1981
SRM 1402-1409Platinum 13 % Rhodium Alloy, April 11, 1966
SRM 1420-1428Oxidized Kanthal, December 16, 1965
SRM 1440-1447Oxidized Inconel, December 16, 1965
SRM 1460-1462Austenitic Stainless Steels, May 14, 1984
SRM 1465-1469Sintered and Arc-Cast Tungsten, January 17, 1979
SRM 1504-1506For Permittivity (7940 Fused Silica), September 26, 1966
SRM 1516-1519For Permittivity 103 Hz and 23°C, July 9, 1969