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Mexico, CENAM (Centro Nacional de Metrologia)
Complete CMCs in Chemistry for Advanced materials for Mexico (.PDF file)
Matrix or material Analyte or component Dissemination range of measurement capability
Mass fraction in mg/kg Relative expanded uncertainty
(k = 2, 95%) in %
polyethylene cadmium 30 to 60 0.8 to 1.5
Mechanism(s) for measurement service delivery: Value-assignment through MRTC program
MRTC program: certification of a batch produced and later distributed by an external manufacturer.
Uncertainty convention 1.
Approved on 31 March 2012.
Internal NMI service identifier: CENAM/620-Q008-22
Mexico, CENAM (Centro Nacional de Metrologia)
Complete CMCs in Chemistry for Advanced materials for Mexico (.PDF file)
Matrix or material Analyte or component Dissemination range of measurement capability
Mass fraction in mg/kg Relative expanded uncertainty
(k = 2, 95%) in %
polyethylene mercury 300 to 600 3 to 5
Mechanism(s) for measurement service delivery: Value-assignment through MRTC program
MRTC program: certification of a batch produced and later distributed by an external manufacturer.
Uncertainty convention 1.
Approved on 31 March 2012.
Internal NMI service identifier: CENAM/620-Q004-1