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Mexico, CENAM (Centro Nacional de Metrologia)
Complete CMCs in Chemistry for Biological fluids and materials for Mexico (.PDF file)
Matrix or material Analyte or component Dissemination range of measurement capability Range of certified values in reference materials
Mass fraction in mg/kg Absolute expanded uncertainty
(k = 2, 95%) in mg/kg 		Mass fraction in mmol/l Absolute expanded uncertainty
(k = 2, 95%) in mmol/l
human serum glucose 600 to 900 8 to 15 4.6 0.13
Mechanism(s) for measurement service delivery: DMR 263a
Uncertainty convention 1.
Approved on 12 June 2007.
Internal NMI service identifier: CENAM/630-Q023-001b
Mexico, CENAM (Centro Nacional de Metrologia)
Complete CMCs in Chemistry for Biological fluids and materials for Mexico (.PDF file)
Matrix or material Analyte or component Dissemination range of measurement capability
Mass fraction in mg/kg Absolute expanded uncertainty
(k = 2, 95%) in mg/kg
human serum glucose 1100 to 1400 12 to 24
Mechanism(s) for measurement service delivery: Proficiency test and analytical service
Uncertainty convention 1.
Approved on 12 June 2007.
Internal NMI service identifier: CENAM/630-Q023-002b
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 Range of certified values in reference materials
Mass fraction in % Relative expanded uncertainty
(k = 2, 95%) in % 		Mass fraction in % Absolute expanded uncertainty
(k = 2, 95%) in %
glucose glucose 98 to 100 0.1 to 0.6 99.01 0.14
Mechanism(s) for measurement service delivery: Analytical service, DMR-50, DMR-51, DMR 190a
Uncertainty range convention 1.
Approved on 03 November 2006.
Internal NMI service identifier: CENAM/630-C014-016