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CIPM MRA PARTICIPANTS
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General physics
Ionizing radiation
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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)
Portugal, IPQ (Instituto Portugues da Qualidade)
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 %
nitrogen carbon dioxide 1 to 14 0.2 1 to 14 0.2
  • Mechanism for measurement service delivery : Calibration, CRM, 702.03
  • Approved on 01 October 2024
  • Institute service identifier : 702.03
  • CMC ID : EURAMET-QM-PT-00000PLY-1
     
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 %
nitrogen carbon dioxide 60 to 140 0.2 60 to 140 0.2
  • Mechanism for measurement service delivery : Calibration, CRM
  • Approved on 28 July 2025
  • Institute service identifier : 702.03
  • CMC ID : EURAMET-QM-PT-00000QF0-1
     
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 %
synthetic natural gas carbon dioxide 2 to 40 1.8 to 1.2 2 to 40 1.8 to 1.2
synthetic natural gas ethane 7 to 110 0.5 7 to 110 0.5
synthetic natural gas i-butane 1 to 7 1.5 to 0.7 1 to 7 1.5 to 0.7
synthetic natural gas methane 700 to 900 0.4 to 0.3 700 to 900 0.4 to 0.3
synthetic natural gas n-butane 1 to 7 1.4 to 0.8 1 to 7 1.4 to 0.8
synthetic natural gas nitrogen 12 to 140 0.5 to 0.4 12 to 140 0.5 to 0.4
synthetic natural gas propane 3 to 45 0.7 to 0.4 3 to 45 0.7 to 0.4
  • Mechanism for measurement service delivery : Calibration, CRM, 702.07
  • Approved on 08 July 2015
  • Institute service identifier : 702.07
  • CMC ID : EURAMET-QM-PT-000002OK-2,EURAMET-QM-PT-000002OF-2,EURAMET-QM-PT-000002OI-2,EURAMET-QM-PT-000002OE-1,EURAMET-QM-PT-000002OH-2,EURAMET-QM-PT-000002OJ-2,EURAMET-QM-PT-000002OG-2
     
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 %
nitrogen carbon dioxide 10 to 200 0.3 to 0.2 10 to 200 0.3 to 0.2
  • Mechanism for measurement service delivery : Calibration, CRM
  • Approved on 28 July 2025
  • Institute service identifier : 702.02
  • CMC ID : EURAMET-QM-PT-00000QF2-1
     
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 5 to 100 3.3 to 1 5 to 100 3.3 to 1
  • Mechanism for measurement service delivery : Calibration, CRM
  • Approved on 28 July 2025
  • Institute service identifier : 702.01c
  • CMC ID : EURAMET-QM-PT-00000QDO-1
     
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 %
nitrogen carbon monoxide 0.1 to 50 1 to 0.6 0.1 to 50 1 to 0.6
  • Mechanism for measurement service delivery : Calibration, CRM
  • Approved on 28 July 2025
  • Institute service identifier : 702.01a
  • CMC ID : EURAMET-QM-PT-00000QDM-1
     
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 %
nitrogen carbon monoxide 5 to 50 0.4 5 to 50 0.4
  • Mechanism for measurement service delivery : Calibration, CRM
  • Approved on 29 June 2025
  • Institute service identifier : 702.03
  • CMC ID : EURAMET-QM-PT-00000QEZ-1
     
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 ethanol 50 to 500 1.3 to 1 50 to 500 1.3 to 1
  • Mechanism for measurement service delivery : Calibration, CRM
  • Approved on 29 June 2025
  • Institute service identifier : 702.04
  • CMC ID : EURAMET-QM-PT-00000QDL-1
     
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 %
air or nitrogen hydrogen sulfide 1 to 500 2.0E1 to 2 1 to 500 2.0E1 to 2
  • Mechanism for measurement service delivery : Calibration, custom CRMs
  • Approved on 21 June 2022
  • Institute service identifier : 702.11
  • CMC ID : EURAMET-QM-PT-000002O6-2
     
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 %
Nitrogen / Air methane 0.1 to 5 4.5 to 2.1 0.1 to 5 4.5 to 2.1
  • Mechanism for measurement service delivery : CRM, calibration
  • Track A
  • Approved on 01 October 2024
  • Institute service identifier : 702.12
  • CMC ID : EURAMET-QM-PT-00000PKI-1
     
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 150 to 1000 0.5 to 0.4 150 to 1000 0.5 to 0.4
  • Mechanism for measurement service delivery : Calibration, CRM, 702.06a
  • Approved on 28 July 2025
  • Institute service identifier : 702.06a
  • CMC ID : EURAMET-QM-PT-00000QDD-1
     
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 40 to 150 1.5 to 0.5 40 to 150 1.5 to 0.5
  • Mechanism for measurement service delivery : Calibration, CRM
  • Approved on 28 July 2025
  • Institute service identifier : 702.06
  • CMC ID : EURAMET-QM-PT-00000QDQ-1
     
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 %
nitrogen oxygen 0.5 to 30 2 to 0.44 0.5 to 30 2 to 0.44
  • Mechanism for measurement service delivery : CRM, calibration
  • Approved on 01 October 2024
  • Institute service identifier : 702.09
  • CMC ID : EURAMET-QM-PT-00000PKJ-1
     
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 propane 50 to 4000 2.1 50 to 4000 2.1
  • Mechanism for measurement service delivery : Calibration, CRM
  • Approved on 28 July 2025
  • Institute service identifier : 702.08a
  • CMC ID : EURAMET-QM-PT-00000QDT-1
     
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 %
nitrogen propane 1 to 4 2.1 1 to 4 2.1
  • Mechanism for measurement service delivery : Calibration, CRM
  • Approved on 28 July 2025
  • Institute service identifier : 702.08b
  • CMC ID : EURAMET-QM-PT-00000QDU-1
     
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 sulfur dioxide 20 to 1000 1.8 to 0.8 20 to 1000 1.8 to 0.8
  • Mechanism for measurement service delivery : Calibration CRM
  • Approved on 29 June 2025
  • Institute service identifier : IPQ/702.05
  • CMC ID : EURAMET-QM-PT-000002OB-3
     
Items for defining ITS-90 , Temperature : -38.8344 °C
Standard Platinum Resistance Thermometer (SPRT)
Absolute expanded uncertainty : 6.0E-4 °C
Triple point mercury
Ambient temperature : 20 °C
Approved on 18 May 2004
CMC ID : EURAMET-T-PT-00000BC8-1
 
Items for defining ITS-90 , Temperature : 29.7646 °C
Melting point of Gallium
Absolute expanded uncertainty : 5.0E-4 °C
Comparison with a cell
Ambient temperature : 20 °C
Approved on 18 May 2004
CMC ID : EURAMET-T-PT-00000BC3-1
 
Photometry , Illuminance responsivity, tungsten source
Illuminance meter
Relative expanded uncertainty : 1.6 %
Photometric bench, reference photometer, reference lamps
Correlated colour temperature : 2800 K to 2900 K
Illuminance : 5 lx to 1000 lx
Approved on 03 September 2018
Institute service identifier : IPQ/601.21 and 601.25
CMC ID : EURAMET-PR-PT-00000BXM-1
 
Pressure , Gauge pressure : 2.00E5 Pa to 1.00E7 Pa
Pressure balances
Absolute expanded uncertainty
[(272 + (5.8E-05p)2]1/2

p pressure in Pa

The uncertainty is expressed in Pa
Oil medium
Uncertainty values range from 2.9E+01 Pa to 5.8E+02 Pa
Approved on 17 September 2010
Institute service identifier : IPQ/245.00
CMC ID : EURAMET-M-PT-00000C91-1
 

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