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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)
Slovenia, MIRS/IJS/F-2,O-2 (MIRS/Jozef Stefan Institute/Low and Medium Energy Physics F2, Environmental Sciences O2)
Matrix or material Analyte or component Dissemination range of measurement capability Range of certified values in reference materials
Mass fraction in mg/kg Absolute expanded uncertainty in % Mass fraction in Absolute expanded uncertainty in
soil arsenic 5 to 100 8 to 6
  • Mechanism for measurement service delivery : Reference measurement
  • Approved on 28 June 2018
  • Institute service identifier : O-2ICP-MSf
Matrix or material Analyte or component Dissemination range of measurement capability Range of certified values in reference materials
Mass fraction in mg/kg Absolute expanded uncertainty in % Mass fraction in Absolute expanded uncertainty in
cosmetic material arsenic 0.1 to 60 7 to 1.0E1
  • Mechanism for measurement service delivery : Reference measurement
  • Approved on 08 July 2015
  • Institute service identifier : O-2k0-INAAe
Matrix or material Analyte or component Dissemination range of measurement capability Range of certified values in reference materials
Mass fraction in mg/kg Absolute expanded uncertainty in % Mass fraction in Absolute expanded uncertainty in
seafood arsenic 1 to 60 4 to 8
  • Mechanism for measurement service delivery : Reference measurement
  • Approved on 08 July 2015
  • Institute service identifier : O-2ICP-MSc
Matrix or material Analyte or component Dissemination range of measurement capability Range of certified values in reference materials
Mass fraction in mg/kg Absolute expanded uncertainty in % Mass fraction in Absolute expanded uncertainty in
herb and plant materials arsenic 0.1 to 60 7 to 1.0E1
  • Mechanism for measurement service delivery : Reference measurement
  • Approved on 28 June 2016
  • Institute service identifier : O-2k0-INAAa
Matrix or material Analyte or component Dissemination range of measurement capability Range of certified values in reference materials
Mass fraction in mg/kg Absolute expanded uncertainty in % Mass fraction in Absolute expanded uncertainty in
soil cadmium 0.1 to 600 8 to 5
  • Mechanism for measurement service delivery : Reference measurement
  • Approved on 28 June 2018
  • Institute service identifier : O-2ICP-MSg
Matrix or material Analyte or component Dissemination range of measurement capability Range of certified values in reference materials
Mass fraction in mg/kg Absolute expanded uncertainty in % Mass fraction in Absolute expanded uncertainty in
herb and plant materials cadmium 0.1 to 10 4 to 1.5E1
  • Mechanism for measurement service delivery : Reference measurement
  • Approved on 28 June 2016
  • Institute service identifier : O-2ICP-MSa
Matrix or material Analyte or component Dissemination range of measurement capability Range of certified values in reference materials
Mass fraction in mg/kg Absolute expanded uncertainty in % Mass fraction in Absolute expanded uncertainty in
herb and plant materials calcium 3000 to 1.00E5 7 to 1.0E1
  • Mechanism for measurement service delivery : Reference measurement
  • Approved on 28 June 2016
  • Institute service identifier : O-2k0-INAAb
Matrix or material Analyte or component Dissemination range of measurement capability Range of certified values in reference materials
Mass fraction in mg/kg Absolute expanded uncertainty in % Mass fraction in Absolute expanded uncertainty in
seafood iron 160 to 500 4 to 8
  • Mechanism for measurement service delivery : Reference measurement
  • Approved on 08 July 2015
  • Institute service identifier : O-2ICP-MSe
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 in % Mass fraction in Absolute expanded uncertainty in
soil iron 10 to 50 8 to 6
  • Mechanism for measurement service delivery : Reference measurement
  • Approved on 28 June 2018
  • Institute service identifier : O-2k0-INAAf
Matrix or material Analyte or component Dissemination range of measurement capability Range of certified values in reference materials
Mass fraction in mg/kg Absolute expanded uncertainty in % Mass fraction in Absolute expanded uncertainty in
herb and plant materials lead 0.1 to 10 7 to 1.0E1
  • Mechanism for measurement service delivery : Reference measurement
  • Approved on 28 June 2016
  • Institute service identifier : O-2ICP-MSb
Matrix or material Analyte or component Dissemination range of measurement capability Range of certified values in reference materials
Mass fraction in mg/kg Absolute expanded uncertainty in % Mass fraction in Absolute expanded uncertainty in
soil manganese 500 to 1500 8 to 6
  • Mechanism for measurement service delivery : Reference measurement
  • Approved on 28 June 2018
  • Institute service identifier : O-2ICP-MSh
Matrix or material Analyte or component Dissemination range of measurement capability Range of certified values in reference materials
Mass fraction in mg/kg Absolute expanded uncertainty in % Mass fraction in Absolute expanded uncertainty in
cosmetic material mercury 0.05 to 10 7 to 8
  • Mechanism for measurement service delivery : Reference measurement
  • Approved on 08 July 2015
  • Institute service identifier : O-2CVAASHg
Matrix or material Analyte or component Dissemination range of measurement capability Range of certified values in reference materials
Mass fraction in mg/kg Relative expanded uncertainty in % Mass fraction in % Absolute expanded uncertainty in %
bovine liver mercury 0.01 to 1 1.0E1 to 7
  • Mechanism for measurement service delivery : Reference measurement service
  • Approved on 11 April 2021
  • Institute service identifier : O-2CVAASHga
Matrix or material Analyte or component Dissemination range of measurement capability Range of certified values in reference materials
Mass fraction in mg/kg Relative expanded uncertainty in % Mass fraction in % Absolute expanded uncertainty in %
bovine liver nickel 0.5 to 5 1.2E1 to 8
  • Mechanism for measurement service delivery : Reference measurement service
  • Approved on 21 June 2021
  • Institute service identifier : O-2ICP-MSi
Matrix or material Analyte or component Dissemination range of measurement capability Range of certified values in reference materials
Mass fraction in mg/kg Absolute expanded uncertainty in % Mass fraction in Absolute expanded uncertainty in
brown rice flour total arsenic 0.1 to 60 7 to 1.0E1
  • Mechanism for measurement service delivery : Reference measurement
  • Approved on 08 July 2015
  • Institute service identifier : O-2k0-INAAd
Matrix or material Analyte or component Dissemination range of measurement capability Range of certified values in reference materials
Mass fraction in mg/kg Absolute expanded uncertainty in % Mass fraction in Absolute expanded uncertainty in
seafood zinc 10 to 100 4 to 8
  • Mechanism for measurement service delivery : Reference measurement
  • Approved on 08 July 2015
  • Institute service identifier : O-2ICP-MSd
Matrix or material Analyte or component Dissemination range of measurement capability Range of certified values in reference materials
Mass fraction in mg/kg Absolute expanded uncertainty in % Mass fraction in Absolute expanded uncertainty in
herb and plant materials zinc 10 to 100 7 to 1.0E1
  • Mechanism for measurement service delivery : Reference measurement
  • Approved on 28 June 2016
  • Institute service identifier : O-2k0-INAAc
United Kingdom, LGC (Laboratory of the Government Chemist)
Matrix or material Analyte or component Dissemination range of measurement capability Range of certified values in reference materials
Mass fraction in % Absolute expanded uncertainty in % Mass fraction in
pure material high polarity organic compounds with Mwt below 500 70 to 100 0.4 to 1
  • Mechanism for measurement service delivery : Calibration service
  • (MW <500) and high polarity ( pKOW > -2) for which related structure impurities can be quantified by high performance liquid chromatography. Compounds existing as a salt are certified as the mass fraction of the free base/free acid. Although the measurement capability range extends down to 70% mass fraction, the main impurity is the stoichiometric counter ion of the salt.
  • Approved on 17 May 2020
  • Institute service identifier : Org-060
Matrix or material Analyte or component Dissemination range of measurement capability Range of certified values in reference materials
Mass fraction in % Absolute expanded uncertainty in % Mass fraction in
pure material low polarity organic compounds with Mwt below 500 70 to 100 0.3 to 1
  • Mechanism for measurement service delivery : Calibration service
  • (MW <500) and low polarity ( pKOW < -2) for which related structure impurities can be quantified by high performance liquid or gas chromatography. Compounds existing as a salt are certified as the mass fraction of the free base/free acid. Although the measurement capability range extends down to 70% mass fraction, the main impurity is the stoichiometric counter ion of the salt.
  • Approved on 17 May 2020
  • Institute service identifier : Org-061

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