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CMCs Chemistry (1)
IONIZING RADIATION
Surface emission rate
CHEMICAL MATERIAL
synthetic air (1)
CHEMICAL ANALYTE
ethane (1)
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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 µmol/mol Relative expanded uncertainty
(k = 2, 95 %) in %
Amount-of-substance fraction in µmol/mol Absolute expanded uncertainty
(k = 2, 95 %) in %
synthetic air ethane 1 to 10 3 1 to 10 3
Mechanism(s) for measurement service delivery: PRGM, SGS and calibration
Internal NMI service identifier: NPL/57
This displays only one part of a multi-component CMC.