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CMCs Chemistry (3)
IONIZING RADIATION
Surface emission rate
CHEMICAL MATERIAL
nitrogen or air (3)
CHEMICAL ANALYTE
propane (3)
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United Kingdom (3)
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Your query 'United Kingdom' produced 3 results New search

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 µmol/mol Relative expanded uncertainty
(k = 2, 95 %) in %
Amount-of-substance fraction in µmol/mol Absolute expanded uncertainty
(k = 2, 95 %) in %
nitrogen or air propane 0.01001 to 10 100.0 to 0.1 0.01001 to 10.0 100.0 to 0.1
Mechanism(s) for measurement service delivery: PRGM and calibration
Approved on 30 June 2017.
Internal NMI service identifier: NPL/GA13

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 µmol/mol Relative expanded uncertainty
(k = 2, 95 %) in %
Amount-of-substance fraction in µmol/mol Absolute expanded uncertainty
(k = 2, 95 %) in %
nitrogen or air propane 10 to 10000 0.1 10.0 to 10000 0.1
Mechanism(s) for measurement service delivery: PRGM and calibration
Approved on 30 June 2017.
Internal NMI service identifier: NPL/GA14

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 µmol/mol Relative expanded uncertainty
(k = 2, 95 %) in %
Amount-of-substance fraction in mmol/mol Absolute expanded uncertainty
(k = 2, 95 %) in %
nitrogen or air propane 10 to 10000 0.14 10.0 to 10000 0.14
Mechanism(s) for measurement service delivery: PRGM and calibration
Internal NMI service identifier: NPL/GA19
This displays only one part of a multi-component CMC.