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In the CMCs uncertainty statements, the notation Q[a, b] stands for the root-sum-square of the terms between brackets: Q[a, b] = [a 2 + b 2]1/2
Unless otherwise stated the expanded uncertainties given below correspond to k = 2 (at a 95 % level of confidence)
Belarus, BelGIM (Belarussian State Institute for Metrology)
Matrix or material Dissemination range of measurement capability Range of certified values in reference materials
pH in Absolute expanded uncertainty in pH in Absolute expanded uncertainty in
aqueous buffer solution 9.107 to 9.297 1.7E-2 to 2.5E-2 9.107 to 9.297 1.7E-2 to 2.5E-2
  • Mechanism for measurement service delivery : COO-QM-BelGIM-2005: Sodium tetraborate decahydrate. Calibration
  • Borate buffer. Temperature range for the service: values given for 15 °C, 25 °C and 37 °C. Uncertainty does not include the uncertainty of Bates-Guggenheim convention
  • Approved on 19 June 2015
  • Institute service identifier : COO-QM-BelGIM-2005
Matrix or material Dissemination range of measurement capability Range of certified values in reference materials
pH in Absolute expanded uncertainty in pH in Absolute expanded uncertainty in
aqueous pH buffer 6.83 to 6.89 7.0E-3 to 9.0E-3 6.828 to 6.891 7.0E-3 to 9.0E-3
  • Mechanism for measurement service delivery : COO-QM-BelGIM-2004: Disodium hydrogen phosphate + potassium dihydrogen phosphate. Calibration
  • Approved on 06 December 2011
  • Institute service identifier : COO-QM-BelGIM-2004
Matrix or material Dissemination range of measurement capability Range of certified values in reference materials
pH in Absolute expanded uncertainty in pH in Absolute expanded uncertainty in
aqueous buffer solution 3.998 to 4.022 1.2E-2 to 1.8E-2 3.998 to 4.022 1.2E-2 to 1.8E-2
  • Mechanism for measurement service delivery : Calibration, CRM
  • Phthalate buffer. Temperature range: 15 °C, 25 °C and 37 °C. Uncertainty does not include the uncertainty of Bates-Guggenheim convention.
  • Approved on 27 May 2020
  • Institute service identifier : COO-QM-BelGIM-2006
Matrix or material Dissemination range of measurement capability Range of certified values in reference materials
Electrolytic conductivity in S/m Absolute expanded uncertainty in S/m Electrolytic conductivity in S/m Absolute expanded uncertainty in S/m
aqueous solution 0.1 to 1.3 9.5E-4 0.1 to 1.3 9.5E-4
  • Mechanism for measurement service delivery : Calibration, CRM
  • Aqueous solution of KCl. Data is given for 25 °C, secondary cell
  • Approved on 27 May 2020
  • Institute service identifier : COO-QM-BelGIM-2005
Matrix or material Analyte or component Dissemination range of measurement capability Range of certified values in reference materials
Amount-of-substance fraction in cmol/mol Relative expanded uncertainty in % Amount-of-substance fraction in cmol/mol Relative expanded uncertainty in %
mixture of liquefied hydrocarbons butene-1 1 to 5 1.3 1 to 5 1.3
mixture of liquefied hydrocarbons ethane 0.5 to 5 2 0.5 to 5 2
mixture of liquefied hydrocarbons iso-butane 1 to 25 1 1 to 25 1
mixture of liquefied hydrocarbons iso-pentane 0.5 to 2 2 0.5 to 2 2
mixture of liquefied hydrocarbons n-butane 5 to 40 0.6 5 to 40 0.6
mixture of liquefied hydrocarbons propane 30 to 90 0.4 30 to 90 0.4
mixture of liquefied hydrocarbons propene 5 to 43 0.7 5 to 43 0.7
  • Mechanism for measurement service delivery : PRM plus calibration
  • Calibration service involves calibration of LPG mixtures of known composition against primary standards on regular basis
  • Approved on 29 May 2020
  • Institute service identifier : COO-QM-BelGIM-1010
Matrix or material Analyte or component Dissemination range of measurement capability Range of certified values in reference materials
Amount-of-substance fraction in mol/mol Relative expanded uncertainty in % Amount-of-substance fraction in mol/mol Relative expanded uncertainty in %
nitrogen carbon dioxide 0.04 to 0.16 0.5 to 0.4 0.04 to 0.16 0.5 to 0.4
nitrogen carbon monoxide 5.00E-3 to 0.05 1 to 0.5 5.00E-3 to 0.05 1 to 0.5
nitrogen propane 1.00E-4 to 3.00E-3 1 to 0.3 1.00E-4 to 3.00E-3 1 to 0.3
  • Mechanism for measurement service delivery : PRM and calibration
  • Approved on 29 May 2020
  • Institute service identifier : COO-QM-BelGIM-1001
Matrix or material Analyte or component Dissemination range of measurement capability Range of certified values in reference materials
Amount-of-substance fraction in mmol/mol Relative expanded uncertainty in % Amount-of-substance fraction in mmol/mol Relative expanded uncertainty in %
methane carbon dioxide 10 to 50 0.4 10 to 50 0.4
methane ethane 70 to 150 0.4 70 to 150 0.4
methane isobutane 5 to 12 0.5 5 to 12 0.5
methane n-butane 5 to 12 0.5 5 to 12 0.5
methane nitrogen 50 to 100 0.3 50 to 100 0.3
methane propane 10 to 50 0.4 10 to 50 0.4
  • Mechanism for measurement service delivery : PRM and calibration
  • Approved on 21 October 2001
  • Institute service identifier : COO-QM-BelGIM-1003
Matrix or material Analyte or component Dissemination range of measurement capability Range of certified values in reference materials
Amount-of-substance fraction in µmol/mol Relative expanded uncertainty in % Amount-of-substance fraction in µmol/mol Relative expanded uncertainty in %
nitrogen carbon monoxide 10 to 2000 1.2 10 to 2000 1.2
  • Mechanism for measurement service delivery : PRM plus calibration
  • Calibration service involves calibration of gas mixtures of known composition against primary standards on regular basis
  • Approved on 29 May 2020
  • Institute service identifier : COO-QM-BelGIM-1007
Matrix or material Analyte or component Dissemination range of measurement capability Range of certified values in reference materials
Amount-of-substance fraction in µmol/mol Absolute expanded uncertainty in µmol/mol Amount-of-substance fraction in µmol/mol Absolute expanded uncertainty in µmol/mol
synthetic air carbon monoxide 1 to 10 0.12 1 to 10 0.12
  • Mechanism for measurement service delivery : PRM plus calibration
  • Calibration service involves calibration of gas mixtures of known composition against primary standards on regular basis
  • Approved on 29 May 2020
  • Institute service identifier : COO-QM-BelGIM-1008
Matrix or material Analyte or component Dissemination range of measurement capability Range of certified values in reference materials
Amount-of-substance fraction in µmol/mol Absolute expanded uncertainty in µmol/mol Amount-of-substance fraction in µmol/mol Absolute expanded uncertainty in µmol/mol
nitrogen carbon monoxide 1 to 10 0.12 1 to 10 0.12
  • Mechanism for measurement service delivery : PRM plus calibration
  • Calibration service involves calibration of gas mixtures of known composition against primary standards on regular basis
  • Approved on 29 May 2020
  • Institute service identifier : COO-QM-BelGIM-1011
Matrix or material Analyte or component Dissemination range of measurement capability Range of certified values in reference materials
Amount-of-substance fraction in µmol/mol Relative expanded uncertainty in % Amount-of-substance fraction in µmol/mol Relative expanded uncertainty in %
nitrogen nitrogen monoxide 30 to 4000 1 30 to 4000 1
  • Mechanism for measurement service delivery : PRM and calibration
  • Calibration service involves calibration of gas mixtures of known composition against primary standards on regular basis
  • Approved on 19 June 2014
  • Institute service identifier : COO-QM-BelGIM-1004
Matrix or material Analyte or component Dissemination range of measurement capability Range of certified values in reference materials
Amount-of-substance fraction in µmol/mol Relative expanded uncertainty in % Amount-of-substance fraction in µmol/mol Relative expanded uncertainty in %
nitrogen or synthetic air propane 10 to 1.00E4 0.8 10 to 1.00E4 0.8
  • Mechanism for measurement service delivery : PRM plus calibration
  • Calibration service involves calibration of gas mixtures of known composition against primary standards on regular basis
  • Approved on 29 May 2020
  • Institute service identifier : COO-QM-BelGIM-1009
Matrix or material Analyte or component Dissemination range of measurement capability Range of certified values in reference materials
Amount-of-substance fraction in µmol/mol Relative expanded uncertainty in % Amount-of-substance fraction in µmol/mol Relative expanded uncertainty in %
nitrogen or synthetic air sulfur dioxide 10 to 1.00E5 1.5 10 to 1.00E5 1.5
  • Mechanism for measurement service delivery : PRM plus calibration
  • Calibration service involves calibration of gas mixtures of known composition against primary standards on regular basis
  • Approved on 29 May 2020
  • Institute service identifier : COO-QM-BelGIM-1005
Items for disseminating ITS-90 and PLTS 2000 , Temperature : 419.527 °C
Thermocouple, types S, R, L, E, K, N, J
Absolute expanded uncertainty : 0.5 °C
Zinc fixed point
Temperature controlled furnace : 3-zone
Approved on 06 September 2013
Institute service identifier : COO-T-BelGIM-1047
Items for disseminating ITS-90 and PLTS 2000 , Temperature : 300 °C to 420 °C
Liquid-in glass thermometer
Absolute expanded uncertainty : 0.2 °C
Comparison
Temperature controlled furnace : fluidised aluminia
Approved on 06 September 2013
Institute service identifier : COO-T-BelGIM-1056
Items for disseminating ITS-90 and PLTS 2000 , Temperature : 80 °C to 420 °C
Digital thermometer thermocouple
Absolute expanded uncertainty : 0.4 °C
Comparison
Temperature controlled bath : oil
Approved on 06 September 2013
Institute service identifier : COO-T-BelGIM-1054
Items for disseminating ITS-90 and PLTS 2000 , Temperature : 20 °C to 80 °C
Digital thermometer IPRT
Absolute expanded uncertainty : 1.0E-2 °C
Comparison
Temperature controlled bath : water
Approved on 06 September 2013
Institute service identifier : COO-T-BelGIM-1049
Items for disseminating ITS-90 and PLTS 2000 , Temperature : 29.7646 °C
Thermocouple, types S, R
Absolute expanded uncertainty : 0.25 °C
Gallium fixed point
Temperature-controlled furnace : 2-zone
Approved on 20 May 2010
Institute service identifier : COO-T-BelGIM-1027
Items for defining ITS-90 , Temperature : 231.928 °C
Tin cell
Absolute expanded uncertainty : 1 mK
Direct comparison
Temperature-controlled furnace : 3-zone
Approved on 19 November 2009
Institute service identifier : COO-T-BelGIM-1004
Mass , Mass : 10 g to 100 g
Mass standard
Absolute expanded uncertainty : 6.5 µg to 4.2E1 µg
Comparison in air
Air density : measured
Uncertainty scales with measurand level. The volume of the mass standards is known
Approved on 10 September 2014
Institute service identifier : COO-M-BelGIM-1004

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