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CMCs Chemistry (5)
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HNO3 in aqueous solution (2)
fresh water (1)
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chromium (5)
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Mexico (5)
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Your query 'cenam' produced 5 results New search

Mexico, CENAM (Centro Nacional de Metrologia)
Complete CMCs in Chemistry for Metals and metal alloys for Mexico (.PDF file)
Matrix or material Analyte or component Dissemination range of measurement capability
Mass fraction in mg/g Relative expanded uncertainty
(k = 2, 95%) in %
iron chromium 0.7 to 7 2.7
Mechanism(s) for measurement service delivery: Analytical service, reference materials: DES-025, DES-026, DES-027, DES-028
Approved on 31 March 2012.
Internal NMI service identifier: CENAM/610-022
Mexico, CENAM (Centro Nacional de Metrologia)
Complete CMCs in Chemistry for Water for Mexico (.PDF file)
Matrix or material Analyte or component Dissemination range of measurement capability
Mass fraction in µg/kg Relative expanded uncertainty
(k = 2, 95%) in %
fresh water chromium 10 to 30 2 to 4
Mechanism(s) for measurement service delivery: Value-assignment through MRTC program
Approved on 27 March 2013.
Uncertainty convention 1.
Internal NMI service identifier: CENAM/620-Q008-004
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 Metals and metal alloys for Mexico (.PDF file)
Matrix or material Analyte or component Dissemination range of measurement capability
Mass fraction in mg/g Relative expanded uncertainty
(k = 2, 95%) in %
aluminum chromium 0.1 to 0.8 2.8
Mechanism(s) for measurement service delivery: Analytical service, reference materials: DES-036, DES-037, DES-038, DES-039, DES-040, DES-052, DES-053, DES-054, DES-055, DES-056, DES-057, DES-058, DES-059, DES-060, DES-061, DES-062, DES-063, DES-064, DES-065, DES-066
Approved on 12 June 2007.
Internal NMI service identifier: CENAM/610-029
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