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CMCs Chemistry (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 mmol/mol Relative expanded uncertainty
(k = 2, 95 %) in %
Amount-of-substance fraction in mmol/mol Absolute expanded uncertainty
(k = 2, 95 %) in %
synthetic natural gas carbon dioxide 0.5 to 100 0.2 to 0.1 0.5 to 100 0.2 to 0.1
Mechanism(s) for measurement service delivery: PRGM and calibration
Internal NMI service identifier: NPL/61rev2
This displays only one part of a multi-component CMC.