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methane (44)
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United Kingdom, NPL (National Physical Laboratory)
Complete CMCs in Chemistry for Gases for United Kingdom (.PDF file)
Matrix or material Analyte or component Dissemination range of measurement capability Range of certified values in reference materials
Amount-of-substance fraction in Ámol/mol Relative expanded uncertainty
(k = 2, 95 %) in %
Amount-of-substance fraction in Ámol/mol Absolute expanded uncertainty
(k = 2, 95 %) in %
methane ethanethiol 10 to 100 1.0 10 to 100 1.3
Mechanism(s) for measurement service delivery: PRGM and calibration
Internal NMI service identifier: NPL/62b
This displays only one part of a multi-component CMC.

United Kingdom, NPL (National Physical Laboratory)
Complete CMCs in Chemistry for Gases for United Kingdom (.PDF file)
Matrix or material Analyte or component Dissemination range of measurement capability Range of certified values in reference materials
Amount-of-substance fraction in Ámol/mol Relative expanded uncertainty
(k = 2, 95 %) in %
Amount-of-substance fraction in Ámol/mol Absolute expanded uncertainty
(k = 2, 95 %) in %
methane 2-propanethiol 10 to 100 1.0 10 to 100 1.3
Mechanism(s) for measurement service delivery: PRGM and calibration
Internal NMI service identifier: NPL/62b
This displays only one part of a multi-component CMC.

United Kingdom, NPL (National Physical Laboratory)
Complete CMCs in Chemistry for Gases for United Kingdom (.PDF file)
Matrix or material Analyte or component Dissemination range of measurement capability Range of certified values in reference materials
Amount-of-substance fraction in Ámol/mol Relative expanded uncertainty
(k = 2, 95 %) in %
Amount-of-substance fraction in Ámol/mol Absolute expanded uncertainty
(k = 2, 95 %) in %
methane 1-propanethiol 10 to 100 1.0 10 to 100 1.3
Mechanism(s) for measurement service delivery: PRGM and calibration
Internal NMI service identifier: NPL/62b
This displays only one part of a multi-component CMC.

United Kingdom, NPL (National Physical Laboratory)
Complete CMCs in Chemistry for Gases for United Kingdom (.PDF file)
Matrix or material Analyte or component Dissemination range of measurement capability Range of certified values in reference materials
Amount-of-substance fraction in Ámol/mol Relative expanded uncertainty
(k = 2, 95 %) in %
Amount-of-substance fraction in Ámol/mol Absolute expanded uncertainty
(k = 2, 95 %) in %
methane 2-methyl-2-propanethiol 10 to 100 1.0 10 to 100 1.3
Mechanism(s) for measurement service delivery: PRGM and calibration
Internal NMI service identifier: NPL/62b
This displays only one part of a multi-component CMC.

United Kingdom, NPL (National Physical Laboratory)
Complete CMCs in Chemistry for Gases for United Kingdom (.PDF file)
Matrix or material Analyte or component Dissemination range of measurement capability Range of certified values in reference materials
Amount-of-substance fraction in Ámol/mol Relative expanded uncertainty
(k = 2, 95 %) in %
Amount-of-substance fraction in Ámol/mol Absolute expanded uncertainty
(k = 2, 95 %) in %
methane butanethiol 10 to 100 1.0 10 to 100 1.3
Mechanism(s) for measurement service delivery: PRGM and calibration
Internal NMI service identifier: NPL/62b
This displays only one part of a multi-component CMC.

United Kingdom, NPL (National Physical Laboratory)
Complete CMCs in Chemistry for Gases for United Kingdom (.PDF file)
Matrix or material Analyte or component Dissemination range of measurement capability Range of certified values in reference materials
Amount-of-substance fraction in Ámol/mol Relative expanded uncertainty
(k = 2, 95 %) in %
Amount-of-substance fraction in Ámol/mol Absolute expanded uncertainty
(k = 2, 95 %) in %
methane tetrahydrothiophene 10 to 100 1.0 10 to 100 1.3
Mechanism(s) for measurement service delivery: PRGM and calibration
Internal NMI service identifier: NPL/62b
This displays only one part of a multi-component CMC.

United Kingdom, NPL (National Physical Laboratory)
Complete CMCs in Chemistry for Gases for United Kingdom (.PDF file)
Matrix or material Analyte or component Dissemination range of measurement capability Range of certified values in reference materials
Amount-of-substance fraction in Ámol/mol Relative expanded uncertainty
(k = 2, 95 %) in %
Amount-of-substance fraction in Ámol/mol Absolute expanded uncertainty
(k = 2, 95 %) in %
methane carbonyl sulfide 100 to 1000 1.0 100 to 1000 1.3
Mechanism(s) for measurement service delivery: PRGM and calibration
Approved on 19 July 2010.
Internal NMI service identifier: NPL/62c
This displays only one part of a multi-component CMC.

United Kingdom, NPL (National Physical Laboratory)
Complete CMCs in Chemistry for Gases for United Kingdom (.PDF file)
Matrix or material Analyte or component Dissemination range of measurement capability Range of certified values in reference materials
Amount-of-substance fraction in Ámol/mol Relative expanded uncertainty
(k = 2, 95 %) in %
Amount-of-substance fraction in Ámol/mol Absolute expanded uncertainty
(k = 2, 95 %) in %
methane carbon disulfide 100 to 1000 1.0 100 to 1000 1.3
Mechanism(s) for measurement service delivery: PRGM and calibration
Internal NMI service identifier: NPL/62c
This displays only one part of a multi-component CMC.

United Kingdom, NPL (National Physical Laboratory)
Complete CMCs in Chemistry for Gases for United Kingdom (.PDF file)
Matrix or material Analyte or component Dissemination range of measurement capability Range of certified values in reference materials
Amount-of-substance fraction in Ámol/mol Relative expanded uncertainty
(k = 2, 95 %) in %
Amount-of-substance fraction in Ámol/mol Absolute expanded uncertainty
(k = 2, 95 %) in %
methane dimethyl sulfide 100 to 1000 1.0 100 to 1000 1.3
Mechanism(s) for measurement service delivery: PRGM and calibration
Internal NMI service identifier: NPL/62c
This displays only one part of a multi-component CMC.

United Kingdom, NPL (National Physical Laboratory)
Complete CMCs in Chemistry for Gases for United Kingdom (.PDF file)
Matrix or material Analyte or component Dissemination range of measurement capability Range of certified values in reference materials
Amount-of-substance fraction in Ámol/mol Relative expanded uncertainty
(k = 2, 95 %) in %
Amount-of-substance fraction in Ámol/mol Absolute expanded uncertainty
(k = 2, 95 %) in %
methane ethyl methyl sulfide 100 to 1000 1.0 100 to 1000 1.3
Mechanism(s) for measurement service delivery: PRGM and calibration
Internal NMI service identifier: NPL/62c
This displays only one part of a multi-component CMC.

United Kingdom, NPL (National Physical Laboratory)
Complete CMCs in Chemistry for Gases for United Kingdom (.PDF file)
Matrix or material Analyte or component Dissemination range of measurement capability Range of certified values in reference materials
Amount-of-substance fraction in Ámol/mol Relative expanded uncertainty
(k = 2, 95 %) in %
Amount-of-substance fraction in Ámol/mol Absolute expanded uncertainty
(k = 2, 95 %) in %
methane diethyl sulfide 100 to 1000 1.0 100 to 1000 1.3
Mechanism(s) for measurement service delivery: PRGM and calibration
Internal NMI service identifier: NPL/62c
This displays only one part of a multi-component CMC.

United Kingdom, NPL (National Physical Laboratory)
Complete CMCs in Chemistry for Gases for United Kingdom (.PDF file)
Matrix or material Analyte or component Dissemination range of measurement capability Range of certified values in reference materials
Amount-of-substance fraction in Ámol/mol Relative expanded uncertainty
(k = 2, 95 %) in %
Amount-of-substance fraction in Ámol/mol Absolute expanded uncertainty
(k = 2, 95 %) in %
methane methanethiol 100 to 1000 1.0 100 to 1000 1.3
Mechanism(s) for measurement service delivery: PRGM and calibration
Internal NMI service identifier: NPL/62c
This displays only one part of a multi-component CMC.

United Kingdom, NPL (National Physical Laboratory)
Complete CMCs in Chemistry for Gases for United Kingdom (.PDF file)
Matrix or material Analyte or component Dissemination range of measurement capability Range of certified values in reference materials
Amount-of-substance fraction in Ámol/mol Relative expanded uncertainty
(k = 2, 95 %) in %
Amount-of-substance fraction in Ámol/mol Absolute expanded uncertainty
(k = 2, 95 %) in %
methane ethanethiol 100 to 1000 1.0 100 to 1000 1.3
Mechanism(s) for measurement service delivery: PRGM and calibration
Internal NMI service identifier: NPL/62c
This displays only one part of a multi-component CMC.

United Kingdom, NPL (National Physical Laboratory)
Complete CMCs in Chemistry for Gases for United Kingdom (.PDF file)
Matrix or material Analyte or component Dissemination range of measurement capability Range of certified values in reference materials
Amount-of-substance fraction in Ámol/mol Relative expanded uncertainty
(k = 2, 95 %) in %
Amount-of-substance fraction in Ámol/mol Absolute expanded uncertainty
(k = 2, 95 %) in %
methane 2-propanethiol 100 to 1000 1.0 100 to 1000 1.3
Mechanism(s) for measurement service delivery: PRGM and calibration
Internal NMI service identifier: NPL/62c
This displays only one part of a multi-component CMC.

United Kingdom, NPL (National Physical Laboratory)
Complete CMCs in Chemistry for Gases for United Kingdom (.PDF file)
Matrix or material Analyte or component Dissemination range of measurement capability Range of certified values in reference materials
Amount-of-substance fraction in Ámol/mol Relative expanded uncertainty
(k = 2, 95 %) in %
Amount-of-substance fraction in Ámol/mol Absolute expanded uncertainty
(k = 2, 95 %) in %
methane 1-propanethiol 100 to 1000 1.0 100 to 1000 1.3
Mechanism(s) for measurement service delivery: PRGM and calibration
Internal NMI service identifier: NPL/62c
This displays only one part of a multi-component CMC.

United Kingdom, NPL (National Physical Laboratory)
Complete CMCs in Chemistry for Gases for United Kingdom (.PDF file)
Matrix or material Analyte or component Dissemination range of measurement capability Range of certified values in reference materials
Amount-of-substance fraction in Ámol/mol Relative expanded uncertainty
(k = 2, 95 %) in %
Amount-of-substance fraction in Ámol/mol Absolute expanded uncertainty
(k = 2, 95 %) in %
methane 2-methyl-2-propanethiol 100 to 1000 1.0 100 to 1000 1.3
Mechanism(s) for measurement service delivery: PRGM and calibration
Internal NMI service identifier: NPL/62c
This displays only one part of a multi-component CMC.

United Kingdom, NPL (National Physical Laboratory)
Complete CMCs in Chemistry for Gases for United Kingdom (.PDF file)
Matrix or material Analyte or component Dissemination range of measurement capability Range of certified values in reference materials
Amount-of-substance fraction in Ámol/mol Relative expanded uncertainty
(k = 2, 95 %) in %
Amount-of-substance fraction in Ámol/mol Absolute expanded uncertainty
(k = 2, 95 %) in %
methane butanethiol 100 to 1000 1.0 100 to 1000 1.3
Mechanism(s) for measurement service delivery: PRGM and calibration
Internal NMI service identifier: NPL/62c
This displays only one part of a multi-component CMC.

United Kingdom, NPL (National Physical Laboratory)
Complete CMCs in Chemistry for Gases for United Kingdom (.PDF file)
Matrix or material Analyte or component Dissemination range of measurement capability Range of certified values in reference materials
Amount-of-substance fraction in Ámol/mol Relative expanded uncertainty
(k = 2, 95 %) in %
Amount-of-substance fraction in Ámol/mol Absolute expanded uncertainty
(k = 2, 95 %) in %
methane tetrahydrothiophene 100 to 1000 1.0 100 to 1000 1.3
Mechanism(s) for measurement service delivery: PRGM and calibration
Internal NMI service identifier: NPL/62c
This displays only one part of a multi-component CMC.

United Kingdom, NPL (National Physical Laboratory)
Complete CMCs in Chemistry for Gases for United Kingdom (.PDF file)
Matrix or material Analyte or component Dissemination range of measurement capability
Amount-of-substance fraction in Ámol/mol Relative expanded uncertainty
(k = 2, 95 %) in %
methane ethane 10 to 100 20
Mechanism(s) for measurement service delivery: Calibration
Approved on 06 September 2012.
Internal NMI service identifier: NPL/68
This displays only one part of a multi-component CMC.

United Kingdom, NPL (National Physical Laboratory)
Complete CMCs in Chemistry for Gases for United Kingdom (.PDF file)
Matrix or material Analyte or component Dissemination range of measurement capability
Amount-of-substance fraction in Ámol/mol Relative expanded uncertainty
(k = 2, 95 %) in %
methane nitrogen 10 to 100 20
Mechanism(s) for measurement service delivery: Calibration
Internal NMI service identifier: NPL/68
This displays only one part of a multi-component CMC.