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HNO3 in aqueous solution
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fluoranthene
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Mexico, CENAM (Centro Nacional de Metrologia)
Complete CMCs in Chemistry for High purity chemicals for Mexico (.PDF file)
Matrix or material Analyte or component Dissemination range of measurement capability
Mass fraction in % Absolute expanded uncertainty
(k = 2, 95%) in %
toluene toluene 98.0 to 100 0.1 to 0.6
Mechanism(s) for measurement service delivery: DMR-285a
Uncertainty range convention 1.
Approved on 29 April 2005.
Internal NMI service identifier: CENAM/630-C014-005
Mexico, CENAM (Centro Nacional de Metrologia)
Complete CMCs in Chemistry for Organic solutions for Mexico (.PDF file)
Matrix or material Analyte or component Dissemination range of measurement capability
Mass fraction in µg/g Relative expanded uncertainty
(k = 2, 95%) in %
methanol toluene 15 to 10000 3 to 2.7
Mechanism(s) for measurement service delivery: Value-assignment to the PT samples
Approved on 23 November 2009.
Uncertainty convention 2.
Internal NMI service identifier: CENAM/630-Q021-040