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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)
Peru, INACAL (National Institute for Quality)
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 solution 6.8 to 7.5 4.2E-3 to 5.5E-3 6.8 to 7.5 4.2E-3 to 5.5E-3
  • Mechanism for measurement service delivery : MRC 025
  • Temperature range for service: 15°C to 37 °C. Data given for 2 5°C. The uncertainty does not include the contribution of the Bates-Guggenheim convention. The uncertainty does not include the contribution of the Bates-Guggenheim convention
  • Approved on 15 July 2016
  • Institute service identifier : MRC 025
  • CMC ID : SIM-QM-PE-000000ZE-1
     
Matrix or material Dissemination range of measurement capability Range of certified values in reference materials
Electrolytic conductivity in S/m Relative expanded uncertainty in % Electrolytic conductivity in S/m Relative expanded uncertainty in %
aqueous solution 0.1 to 1.5 0.18 to 0.5 0.1 to 1.5 0.23 to 0.7
  • Mechanism for measurement service delivery : Provision of CRMs (MRC 009, MRC 011)
  • Reference value certified at 25 °C
  • Approved on 02 July 2018
  • Institute service identifier : PC-LMQ-015a
  • CMC ID : SIM-QM-PE-000001XC-1
     
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 solution 3.8 to 4.2 4.0E-3 to 5.0E-3 3.8 to 4.2 4.0E-3 to 6.0E-3
  • Mechanism for measurement service delivery : MRC 001
  • Temperature range for service: 15 °C to 37 °C; Data given for 25 °C. The uncertainty does not include the contribution of the Bates-Guggenheim convention.
  • Approved on 28 April 2022
  • Institute service identifier : MRC 001
  • CMC ID : SIM-QM-PE-000000ZB-3
     
Matrix or material Dissemination range of measurement capability Range of certified values in reference materials
Electrolytic conductivity in S/m Relative expanded uncertainty in % Electrolytic conductivity in S/m Relative expanded uncertainty in %
aqueous solution 0.016 to 0.1 0.35 to 0.9 0.016 to 0.1 0.35 to 1.2
  • Mechanism for measurement service delivery : Provision of CRMs (MRC 021)
  • Reference value certified at 25 °C
  • Approved on 19 June 2015
  • Institute service identifier : PC-LMQ-015b
  • CMC ID : SIM-QM-PE-000001XD-1
     
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 9.5 to 10.5 4.0E-3 to 1.2E-2 9.5 to 10.5 4.0E-3 to 2.0E-2
  • Mechanism for measurement service delivery : MRC 003
  • Data given for 25 °C . Declared uncertainties do not include the uncertainty contribution due to the Bates-Guggenheim convention.
  • Approved on 28 April 2022
  • Institute service identifier : PC-LMQ-009
  • CMC ID : SIM-QM-PE-00000JWH-2
     
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 solution 6.84 to 6.88 3.0E-3 to 5.0E-3 6.84 to 6.88 3.0E-3 to 5.0E-3
  • Mechanism for measurement service delivery : MRC 002
  • Temperature range for service: 5 °C to 37 °C; Data given for 25 °C. The uncertainty does not include the contribution of the Bates-Guggenheim convention
  • Approved on 20 November 2014
  • Institute service identifier : MRC 002
  • CMC ID : SIM-QM-PE-000000ZC-1
     
Matrix or material Dissemination range of measurement capability Range of certified values in reference materials
Electrolytic conductivity in S/m Relative expanded uncertainty in % Electrolytic conductivity in S/m Relative expanded uncertainty in %
aqueous solution 1.50E-3 to 0.01 0.83 to 1.7 1.50E-3 to 0.01 0.86 to 2
  • Mechanism for measurement service delivery : provision of CRMs (MRC 014)
  • Reference value certified at 25 °C
  • Approved on 02 July 2018
  • Institute service identifier : PC-LMQ-015c
  • CMC ID : SIM-QM-PE-000001XE-1
     
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 solution 8.5 to 9.5 4.0E-3 to 5.0E-3 8.5 to 9.5 4.0E-3 to 1.1E-2
  • Mechanism for measurement service delivery : MRC 013
  • Temperature range for service: 15 °C to 37 °C; Data given for 25 °C. The uncertainty does not include the contribution of the Bates-Guggenheim convention.
  • Approved on 28 April 2022
  • Institute service identifier : MRC 013
  • CMC ID : SIM-QM-PE-000000ZD-2
     
Matrix or material Analyte or component Dissemination range of measurement capability Range of certified values in reference materials
Mass fraction in µg/kg Relative expanded uncertainty in % Mass fraction in µg/kg Relative expanded uncertainty in %
multielemental aqueous solution aluminum 200 to 1.00E4 3.5 to 5 200 to 1.00E4 3.5 to 5
  • Mechanism for measurement service delivery : MRC 016, MRC 020
  • Approved on 15 July 2016
  • Institute service identifier : 020-I
  • CMC ID : SIM-QM-PE-000000Z5-1
     
Matrix or material Analyte or component Dissemination range of measurement capability Range of certified values in reference materials
Mass fraction in µg/kg Relative expanded uncertainty in % Mass fraction in µg/kg Relative expanded uncertainty in %
multielemental aqueous solution arsenic 5 to 500 2.5 to 4 5 to 500 2.5 to 4
  • Mechanism for measurement service delivery : MRC 016, MRC 020
  • Approved on 15 July 2016
  • Institute service identifier : 020-D
  • CMC ID : SIM-QM-PE-000000Z0-1
     
Matrix or material Analyte or component Dissemination range of measurement capability Range of certified values in reference materials
Mass fraction in µg/kg Relative expanded uncertainty in % Mass fraction in µg/kg Relative expanded uncertainty in %
multielemental aqueous solution cadmium 4 to 300 2 to 4 4 to 7 2 to 4
  • Mechanism for measurement service delivery : MRC016
  • Approved on 19 December 2013
  • Institute service identifier : PC-LMQ-016-B
  • CMC ID : SIM-QM-PE-000000YY-1
     
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 in % Mass fraction in µg/g Relative expanded uncertainty in %
soil cadmium 0.6 to 450 7.2 to 5.1 0.8 to 1.2 7.2
  • Mechanism for measurement service delivery : MRC 041
  • Approved on 15 July 2018
  • Institute service identifier : MRC 041b
  • CMC ID : SIM-QM-PE-000001FC-1
     
Matrix or material Analyte or component Dissemination range of measurement capability Range of certified values in reference materials
Mass fraction in µg/kg Relative expanded uncertainty in % Mass fraction in µg/kg Relative expanded uncertainty in %
multielemental aqueous solution chromium 5 to 1.00E4 3.5 to 5 5 to 1.00E4 3.5 to 5
  • Mechanism for measurement service delivery : MRC 016, MRC 020
  • Approved on 15 July 2016
  • Institute service identifier : 020-E
  • CMC ID : SIM-QM-PE-000000Z1-1
     
Matrix or material Analyte or component Dissemination range of measurement capability Range of certified values in reference materials
Mass fraction in µg/kg Relative expanded uncertainty in % Mass fraction in µg/kg Relative expanded uncertainty in %
multielemental aqueous solution copper 2000 to 3000 2.5 to 4 2000 to 3000 2.5 to 4
  • Mechanism for measurement service delivery : MRC 016, MRC 020
  • Approved on 15 July 2016
  • Institute service identifier : 020-F
  • CMC ID : SIM-QM-PE-000000Z2-1
     
Matrix or material Analyte or component Dissemination range of measurement capability Range of certified values in reference materials
Mass fraction in g/g Relative expanded uncertainty in % Mass fraction in g/g Relative expanded uncertainty in %
water ethanol 5.00E-4 to 5.00E-3 1 to 3 5.00E-4 to 5.00E-3 1 to 3
  • Mechanism for measurement service delivery : MRC 018, MRC 019, MRC 029, MRC 030, MRC 031
  • Approved on 15 July 2017
  • Institute service identifier : LMQ023
  • CMC ID : SIM-QM-PE-000001CJ-1
     
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 in % Mass fraction in µg/g Relative expanded uncertainty in %
milk powder iron 5 to 150 7 to 8 130 to 145 7 to 8
  • Mechanism for measurement service delivery : MRC 043
  • Approved on 02 July 2018
  • Institute service identifier : MRC043-A
  • CMC ID : SIM-QM-PE-000001XR-1
     
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 in % Mass fraction in µg/g Relative expanded uncertainty in %
Quinua iron 20 to 100 4 to 7 30 to 70 4 to 7
  • Mechanism for measurement service delivery : MRC 042
  • Approved on 15 June 2021
  • Institute service identifier : MRC042-B
  • CMC ID : SIM-QM-PE-00000MDF-1
     
Matrix or material Analyte or component Dissemination range of measurement capability Range of certified values in reference materials
Mass fraction in µg/kg Relative expanded uncertainty in % Mass fraction in µg/kg Relative expanded uncertainty in %
natural water iron 300 to 1700 3.5 to 5 300 to 1200 4 to 6
  • Mechanism for measurement service delivery : MRC 016, MRC 020
  • Standard addition with NIST SRM 3126a. Quality control with SMU Fe05217 .
  • Approved on 23 October 2019
  • Institute service identifier : PC-LMQ-016/020-J
  • CMC ID : SIM-QM-PE-00000JW8-1
     
Matrix or material Analyte or component Dissemination range of measurement capability Range of certified values in reference materials
Mass fraction in µg/kg Absolute expanded uncertainty in % Mass fraction in Absolute expanded uncertainty in
pisco (alcoholic beverage) lead 8 to 100 5 to 5.5
  • Mechanism for measurement service delivery : Analytical service
  • Approved on 20 November 2014
  • Institute service identifier : PC-LMQ-019
  • CMC ID : SIM-QM-PE-000001XQ-1
     
Matrix or material Analyte or component Dissemination range of measurement capability Range of certified values in reference materials
Mass fraction in µg/kg Relative expanded uncertainty in % Mass fraction in µg/kg Relative expanded uncertainty in %
multielemental aqueous solution lead 15 to 5000 2 to 4 19 to 30 2 to 4
  • Mechanism for measurement service delivery : MRC016
  • Approved on 19 December 2013
  • Institute service identifier : PC-LMQ-016-A
  • CMC ID : SIM-QM-PE-000000YX-1
     

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