氮中一氧化碳

This Standard Reference Material (SRM) is a primary gas mixture for which the amount-of-substance fraction, expressed as concentration, may be related to secondary working standards. This SRM is intended for the calibration of instruments used for carbon monoxide determinations and for other applications. For more information, please refer to the SDS and COA.

SRM 1681B_cert

SRM 1681B_SDS

Certified for the analytes listed below.
Carbon Monoxide (CO)

Reference/Informational value is provided for the following analytes.
Water (H₂O), Carbon Dioxide (CO₂), Methane (CH₄), Other Impurities (expressed as Methane), Nitrogen (N)

See certificate for values and more details at nist.gov/SRM.

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