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Carbon monoxide in nitrogen NIST(R) SRM(R) 2635a, nominal 25 umol/mol

ITEM#: 3042-NIST2635A

MFR#: NIST2635A

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 ca

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 ca