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Carbon Dioxide in Nitrogen
(Nominal Amount-of-Substance Fraction 1.5 % mol/mol)

Carbon Dioxide in Nitrogen
(Nominal Amount-of-Substance Fraction 1.5 % mol/mol)

SKU: 2621a
Availability: Add to cart to be waitlisted and notified when available. There is no purchase obligation.


SRM 2621a is restricted from sale while undergoing stability testing and a certificate revision.


Unit of Issue: 6 L cylinder

Lot: 32-D-XX

Product Expiration Date: 26 January 2026

Certificate/Report

Revision History:
07 December 2018 (Change of expiration date; editorial changes).

NIST Storage Temperature: Ambient
Please see certificate for user storage information regarding this material.

Safety Information

Table(s) of Related Materials Carbon Dioxide in Nitrogen


Hazard Class: This material is considered hazardous under DOT: Hazard Class 2.2, Non-Flammable Gas
Perishable Types: Non-Perishable


For technical questions regarding this material, please contact Harris, Kimberly or SRMs@nist.gov.

For sales inquiry, please contact SRMInfo@nist.gov.