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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 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 µg/g Relative expanded uncertainty
(k = 2, 95%) in % 		Mass fraction in µg/g Absolute expanded uncertainty
(k = 2, 95%) in µg/g
organic solution phenanthrene 3 to 15 3 to 1 8.06 to 103.1 0.16 to 1.9
Mechanism(s) for measurement service delivery: DMR-275a, DMR-276a
Uncertainty convention 2. Approved on 03 November 2006.
Internal NMI service identifier: CENAM/630-Q023-001
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 = 2.78, 95%) in % 		Mass concentration in mg/L Absolute expanded uncertainty
(k = 2, 95%) in %
HNO3 in aqueous solution copper 950 to 1050 0.15 to 0.5 999.1 0.2 to 0.6
Mechanism(s) for measurement service delivery: DMR 17, CAL-620-51
Uncertainty convention 1.
Approved on 27 March 2013.
Internal NMI service identifier: CENAM/620-Q014-001
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 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 nickel 950 to 1050 0.40 to 0.6 950 to 1050 0.5 to 0.7
Mechanism(s) for measurement service delivery: DMR-40, DMR-465
Uncertainty convention 1.
Approved on 27 March 2013.
Internal NMI service identifier: CENAM/620-Q014-002
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 µg/g Relative expanded uncertainty
(k = 2, 95%) in % 		Mass fraction in µg/g Absolute expanded uncertainty
(k = 2, 95%) in µg/g
organic solution fluoranthene 3 to 15 3 to 1 6.670 to 102.0 0.077 to 2.1
Mechanism(s) for measurement service delivery: DMR-275a, DMR-276a
Uncertainty convention 2. Approved on 03 November 2006.
Internal NMI service identifier: CENAM/630-Q023-002
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 calcium 950 to 1050 0.15 to 0.40 950 to 1050 0.2 to 0.5
Mechanism(s) for measurement service delivery: DMR-55
Uncertainty convention 1.
Approved on 27 March 2013.
Internal NMI service identifier: CENAM/620-Q014-003
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 µg/g Relative expanded uncertainty
(k = 2, 95%) in % 		Mass fraction in µg/g Absolute expanded uncertainty
(k = 2, 95%) in µg/g
organic solution benzo(a)pyrene 3 to 15 3 to 1 6.270 to 97.1 0.079 to 1.2
Mechanism(s) for measurement service delivery: DMR-275a, DMR-276a
Uncertainty convention 2. Approved on 03 November 2006.
Internal NMI service identifier: CENAM/630-Q023-003
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 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 µg/g Relative expanded uncertainty
(k = 2, 95%) in % 		Mass fraction in µg/g Absolute expanded uncertainty
(k = 2, 95%) in µg/g
organic solution benzo(ghi)perylene 3 to 15 3 to 1 12.34 to 66.1 0.18 to 1.4
Mechanism(s) for measurement service delivery: DMR-275a, DMR-276a
Uncertainty convention 2. Approved on 03 November 2006.
Internal NMI service identifier: CENAM/630-Q023-005
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
Mass fraction in ng/g Relative expanded uncertainty
(k = 2, 95%) in %
sediment PCB 153 20 to 620 16 to 10
Mechanism(s) for measurement service delivery: Analytical services, Proficiency test service: PT 630-IL-1203
Uncertainty convention 2.
Approved on 01 March 2005.
Internal NMI service identifier: CENAM/630-Q021-011
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 sodium 950 to 1050 0.30 to 0.40 950 to 1050 0.3 to 0.5
Mechanism(s) for measurement service delivery: DMR-56
Uncertainty convention 1.
Approved on 27 March 2013.
Internal NMI service identifier: CENAM/620-Q013-001
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 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 ng/g Relative expanded uncertainty
(k = 2, 95%) in % 		Mass fraction in µg/g Absolute expanded uncertainty
(k = 2, 95%) in µg/g
organic solution lindane (gamma-BHC) (gamma-HCH) 12 to 900 3 to 1 3.1735 0.0410
Mechanism(s) for measurement service delivery: DMR 277a
Uncertainty convention 2. Approved on 03 November 2006.
Internal NMI service identifier: CENAM/630-Q021-011
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