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Mexico, CENAM (Centro Nacional de Metrologia)
Complete CMCs in Chemistry for Gases for Mexico (.PDF file)
Matrix or material Analyte or component Dissemination range of measurement capability
Amount-of-substance in cmol/mol Relative expanded uncertainty
(k = 2, 95%) in %
synthetic natural gas methane 70 to 98 0.4 to 0.7
Mechanism(s) for measurement service delivery: MRTC-Program and analytical services
Internal NMI service identifier: CENAM/630-QS01.G-007
This displays only one part of a multi-component CMC.
Mexico, CENAM (Centro Nacional de Metrologia)
Complete CMCs in Chemistry for Sediments, soils, ores, and particulates 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/g Absolute expanded uncertainty
(k = 2, 95%) in mg/g 		Mass fraction in mg/g Absolute expanded uncertainty
(k = 2, 95%) in mg/g
calcium carbonate total aluminum as aluminum oxide 3.2 to 24.3 0.3 to 0.7 3.48 to 22.1 0.27 to 0.7
Mechanism(s) for measurement service delivery: DMR 59a, DMR 64a
Uncertainty convention 1.
Internal NMI service identifier: CENAM/610-007
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 zinc 40 to 1000 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-Q008-24
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 % Relative expanded uncertainty
(k = 2, 95%) in %
copper alloy lead 1 to 2.5 4 to 3
Mechanism(s) for measurement service delivery: Value-assignment through MRTC program
Approved on 19 July 2010.
Uncertainty convention 2.
Internal NMI service identifier: CENAM/620-C002-20
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 %
1-butanol 1-butanol 98 to 100 0.3 to 1 99.79 0.1
Mechanism(s) for measurement service delivery: Analytical service, DMR-165 x
Uncertainty range convention 1.
Approved on 03 November 2006.
Internal NMI service identifier: CENAM/630-C014-014
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 % Relative expanded uncertainty
(k = 2, 95%) in %
copper alloy nickel 0.05 to 0.2 7.5 to 4.5
Mechanism(s) for measurement service delivery: Value-assignment through MRTC program
Approved on 19 July 2010.
Uncertainty convention 2.
Internal NMI service identifier: CENAM/620-C002-21
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/g Relative expanded uncertainty
(k = 2, 95%) in %
fresh water calcium 5 to 25 1.8 to 3
Mechanism(s) for measurement service delivery: Value-assignment through CENAM Traceable Reference Materials (MRTC)
Approved on 27 March 2013.
Uncertainty convention 1.
Internal NMI service identifier: CENAM/620-Q018-005
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 %
2-pentanol 2-pentanol 98 to 100 0.3 to 1 99.76 0.1
Mechanism(s) for measurement service delivery: Analytical service, DMR 174b
Uncertainty range convention 1.
Approved on 03 November 2006.
Internal NMI service identifier: CENAM/630-C014-015
Mexico, CENAM (Centro Nacional de Metrologia)
Complete CMCs in Chemistry for Sediments, soils, ores, and particulates 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/g Absolute expanded uncertainty
(k = 2, 95%) in mg/g 		Mass fraction in mg/g Absolute expanded uncertainty
(k = 2, 95%) in mg/g
calcium carbonate total iron as iron (III) oxide 1.3 to 1.7 0.1 1.51 0.06
Mechanism(s) for measurement service delivery: DMR 59a
Internal NMI service identifier: CENAM/610-008
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 % Relative expanded uncertainty
(k = 2, 95%) in %
copper alloy tin 0.03 to 0.3 7 to 3
Mechanism(s) for measurement service delivery: Value-assignment through MRTC program
Approved on 19 July 2010.
Uncertainty convention 2.
Internal NMI service identifier: CENAM/620-Q008-20
Mexico, CENAM (Centro Nacional de Metrologia)
Complete CMCs in Chemistry for Sediments, soils, ores, and particulates 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 µg/g Absolute expanded uncertainty
(k = 2, 95%) in µg/g 		Mass fraction in µg/g Absolute expanded uncertainty
(k = 2, 95%) in µg/g
calcium carbonate total titanium as titanium (IV) oxide 100 to 1050 10 to 40 140 to 910 10 to 40
Mechanism(s) for measurement service delivery: DMR 59a, DMR 64a
Uncertainty convention 1.
Internal NMI service identifier: CENAM/610-009
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
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 %
sucrose sucrose 98 to 100 0.1 to 0.6 99.46 0.17
Mechanism(s) for measurement service delivery: Analytical service, DMR 81a
Uncertainty range convention 1.
Approved on 03 November 2006.
Internal NMI service identifier: CENAM/630-C014-017
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 %
fructose fructose 98 to 100 0.1 to 0.6 99.76 0.2
Mechanism(s) for measurement service delivery: Analytical service, DMR-50, DMR-51
Uncertainty range convention 1.
Approved on 03 November 2006.
Internal NMI service identifier: CENAM/630-C014-018
Mexico, CENAM (Centro Nacional de Metrologia)
Complete CMCs in Chemistry for Gases for Mexico (.PDF file)
Matrix or material Analyte or component Dissemination range of measurement capability
Amount of sustance fraction in µmol/mol Relative expanded uncertainty
(k = 2, 95%) in %
nitrogen nitrogen monoxide 30 to 70 0.6 to 1.0
Mechanism(s) for measurement service delivery: Program for value-assignment to gas mixture from producers (MRTC), calibration services and analytical services
Uncertainty convention 1.
Approved on 27 March 2013.
Internal NMI service identifier: CENAM/630-QS01.G016
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 %
creatinine creatinine 98 to 100 0.1 to 0.6 98.7 to 98.8 0.1
Mechanism(s) for measurement service delivery: Analytical measurements of DMR 180a, 263a
Uncertainty range convention 1.
Approved on 03 November 2006.
Internal NMI service identifier: CENAM/630-C014-019
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 %
n-tetradecane n-tetradecane 98 to 100 0.1 to 0.6 99.35 0.1
Mechanism(s) for measurement service delivery: Analytical service, DMR-60
Uncertainty range convention 1.
Approved on 03 November 2006.
Internal NMI service identifier: CENAM/630-C014-020
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 Range of certified values in reference materials
mass fraction in mg/g Relative expanded uncertainty
(k = 2, 95%) in % 		mass fraction in µg/g Absolute expanded uncertainty
(k = 2, 95%) in µg/g
organic solution, multi-component benzo(a)anthracene 3 to 15 3 to 1 11.41 to 102.0 0.21 to 2.2
Mechanism(s) for measurement service delivery: DMR-275a, DMR-276a
Uncertainty convention 2. Approved on 03 November 2006.
Internal NMI service identifier: CENAM/630-Q023-004
Mexico, CENAM (Centro Nacional de Metrologia)
Complete CMCs in Chemistry for Gases for Mexico (.PDF file)
Matrix or material Analyte or component Dissemination range of measurement capability
Amount of sustance fraction in µmol/mol Relative expanded uncertainty
(k = 2, 95%) in %
nitrogen oxygen 10 to 250000 1.5
Mechanism(s) for measurement service delivery: Program for value-assignment to gas mixture from producers (MRTC), calibration services and analytical services
Approved on 27 March 2013.
Internal NMI service identifier: CENAM/630-QS01.G018
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 %
n-pentadecane n-pentadecane 98 to 100 0.1 to 0.6 99.69 0.1
Mechanism(s) for measurement service delivery: Analytical service, DMR-60
Uncertainty range convention 1.
Approved on 03 November 2006.
Internal NMI service identifier: CENAM/630-C014-021