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SRM 2631a Nitric Oxide in Nitrogen (Nominal Amount-of-Substance Fraction 3000 µmol/mol)

Published by National Institute of Standards and Technology | National Institute of Standards and Technology | Catalog Last Checked: August 03, 2026 at 03:50 AM | Dataset Last Updated: July 21, 2015
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 nitric oxide determinations and for other applications. This data is public in the Certificate of Analysis for this material.

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