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CMCs Chemistry (2)
PHYSICS
Vibration
Density
CHEMICAL MATERIAL
HNO3 in aqueous solution (2)
CHEMICAL ANALYTE
chromium (2)
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SIM (2)
Mexico (2)
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Mexico, CENAM (Centro Nacional de Metrologia)
Complete CMCs in Chemistry for Inorganic solutions for Mexico (.PDF file)
Matrix or material Analyte or component Dissemination range of measurement capability Range of certified values in reference materials
Mass concentration in mg/L Relative expanded uncertainty
(k = 2, 95%) in % 		Mass concentration in mg/L Absolute expanded uncertainty
(k = 2, 95%) in %
HNO3 in aqueous solution chromium 1.0 to 5.0 0.7 to 4.7 1.5 to 4.0 3.8
Mechanism(s) for measurement service delivery: DMR-8: annual PT
Uncertainty convention 1.
Approved on 27 March 2013.
Internal NMI service identifier: CENAM/620-C002-011
Mexico, CENAM (Centro Nacional de Metrologia)
Complete CMCs in Chemistry for Inorganic solutions for Mexico (.PDF file)
Matrix or material Analyte or component Dissemination range of measurement capability Range of certified values in reference materials
Mass concentration in mg/L Relative expanded uncertainty
(k = 2, 95%) in % 		Mass concentration in mg/L Absolute expanded uncertainty
(k = 2, 95%) in %
HNO3 in aqueous solution chromium 950 to 1050 0.40 to 0.6 950 to 1050 0.5 to 0.7
Mechanism(s) for measurement service delivery: DMR-94, DMR-440
Uncertainty convention 1.
Approved on 27 March 2013.
Internal NMI service identifier: CENAM/620-C002-001