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CIPM MRA PARTICIPANTS
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CIPM MRA PARTICIPANTS
CMC statistics
Results for: e+e
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General physics
Ionizing radiation
Chemical material
Chemical Analyte
Geographical location
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)
Austria, E+E (E+E Elektronik)
Fluid flow , Gas flow speed : 0.3 m/s to 40 m/s
Anemometer, air velocity meter
Relative expanded uncertainty
0.4/vref + 0.47

vref: gas flow speed in m/s

The uncertainty is expressed in %
Comparison with Laser Doppler Anemometer
Gas : air
Atmospheric temperature : 5 °C to 80 °C
Relative humidity : (45 ± 20) % rh
Atmospheric pressure : (1000 ± 80) hPa
Approved on 16 November 2012
Institute service identifier : E+E_AV_1
CMC ID : EURAMET-M-AT-00000FJ0-1
 
Fluid flow , Gas flow speed : 0.04 m/s to 2 m/s
Anemometer, air velocity meter
Relative expanded uncertainty
0.4/vref + 0.47

vref: gas flow speed in m/s

The uncertainty is expressed in %
Comparison with Laser Doppler Anemometer
Gas : air
Ambient temperature : (23 ± 3) °C
Relative humidity : (45 ± 20) % rh
Atmospheric pressure : (1000 ± 80) hPa
Approved on 16 November 2012
Institute service identifier : E+E_AV_2
CMC ID : EURAMET-M-AT-00000FJ1-1
 
Brazil, LNMRI/IRD (Laboratorio Nacional de Metrologia das Radiacoes Ionizantes, IRD)
Ionizing radiation
Activity per unit mass , Single nuclide, solution : 2600 Bq/g to 2.60E6 Bq/g
Relative expanded uncertainty 5.2 %
Germanium spectrometer, measured or calculated efficiency, balance
Se-75, 3 mL, LNMRI/IRD glass ampoule
Reference standard : 4 pi [e+X]-gamma coincidence, weight set
Source of traceability : LNMRI/IRD
Approved on 11 April 2019
Institute service identifier : SIM-RAD-LNMRI/IRD-2045
CMC ID : SIM-RI-BR-00000J44-1
 
Ionizing radiation
Activity per unit mass , Multi nuclide, solution : 500 Bq/g to 1.00E5 Bq/g
Relative expanded uncertainty 5 %
Germanium spectrometer, measured or calculated efficiency, balance
Ce-139, 3 mL, LNMRI/IRD glass ampoule
Reference standard : 4 pi [e+X]-gamma coincidence, weight set
Source of traceability : LNMRI/IRD
Approved on 11 April 2019
Institute service identifier : SIM-RAD-LNMRI/IRD-2048
CMC ID : SIM-RI-BR-00000J48-1
 
Ionizing radiation
Emission rate , Single nuclide, solid : 100 s-1 to 1.00E6 s-1
Relative expanded uncertainty 5 %
Germanium spectrometer, measured or calculated efficiency
Mn-54, < 1 cm active area, total outside diameter 2.5 cm
Reference standard : 4 pi [e+X]-gamma coincidence, weight set
Source of traceability : LNMRI/IRD
Approved on 11 April 2019
Institute service identifier : SIM-RAD-LNMRI/IRD-2057
CMC ID : SIM-RI-BR-00000J66-1
 
Ionizing radiation
Activity per unit mass , Multi nuclide, solution : 500 Bq/g to 1.00E5 Bq/g
Relative expanded uncertainty 5 %
Germanium spectrometer, measured or calculated efficiency, balance
Co-57, 3 mL, LNMRI/IRD glass ampoule
Reference standard : 4 pi [e+X]-gamma coincidence, weight set
Source of traceability : LNMRI/IRD
Approved on 11 April 2019
Institute service identifier : SIM-RAD-LNMRI/IRD-2048
CMC ID : SIM-RI-BR-00000J49-1
 
Ionizing radiation
Activity per unit mass , Single nuclide, solid : 520 Bq/g to 7.40E5 Bq/g
Relative expanded uncertainty 3 %
Planar NaI(Tl) crystals, measured or calculated efficiency, balance
Ba-133, 3 mL, LNMRI/IRD glass ampoule
Reference standard : 4 pi [e+X]-gamma coincidence, weight set
Source of traceability : LNMRI/IRD
Approved on 11 April 2019
Institute service identifier : SIM-RAD-LNMRI/IRD-2059
CMC ID : SIM-RI-BR-00000J68-1
 
Ionizing radiation
Activity per unit mass , Single nuclide, solution : 3.70E4 Bq/g to 1.00E9 Bq/g
Relative expanded uncertainty 0.9 %
Pressurized ionization chamber, balance
Ba-133, 3 mL, LNMRI/IRD glass ampoule
Reference standard : 4 pi [e+X]-gamma coincidence, weight set
Source of traceability : LNMRI/IRD
Approved on 11 April 2019
Institute service identifier : SIM-RAD-LNMRI/IRD-2001
CMC ID : SIM-RI-BR-00000J5P-1
 
Ionizing radiation
Activity , Single nuclide, solid : 100 Bq to 5.00E4 Bq
Relative expanded uncertainty 4 %
Germanium spectrometer, measured or calculated efficiency
Ba-133, point source, active area < 5 mm
Reference standard : 4 pi [e+X]-gamma coincidence, weight set
Source of traceability : LNMRI/IRD
Approved on 11 April 2019
Institute service identifier : SIM-RAD-LNMRI/IRD-2018
CMC ID : SIM-RI-BR-00000J6I-1
 
Ionizing radiation
Activity per unit mass , Single nuclide, solution : 520 Bq/g to 7.40E5 Bq/g
Relative expanded uncertainty 3.1 %
Planar NaI(Tl) crystals, measured or calculated efficiency, balance
Ce-139, 3 mL, LNMRI/IRD glass ampoule
Reference standard : 4 pi [e+X]-gamma coincidence, weight set
Source of traceability : LNMRI/IRD
Approved on 11 April 2019
Institute service identifier : SIM-RAD-LNMRI/IRD-2060
CMC ID : SIM-RI-BR-00000J69-1
 
Ionizing radiation
Activity per unit mass , Single nuclide, solution : 3.70E5 Bq/g to 1.00E10 Bq/g
Relative expanded uncertainty 0.8 %
Pressurized ionization chamber, balance
Ce-139, 3 mL, LNMRI/IRD glass ampoule
Reference standard : 4 pi [e+X]-gamma coincidence, weight set
Source of traceability : LNMRI/IRD
Approved on 11 April 2019
Institute service identifier : SIM-RAD-LNMRI/IRD-2002
CMC ID : SIM-RI-BR-00000J5Q-1
 
Ionizing radiation
Activity per unit mass , Single nuclide, solution : 3.70E4 Bq/g to 1.00E9 Bq/g
Relative expanded uncertainty 2.5 %
Pressurized ionization chamber, balance
I-123, 3 mL, LNMRI/IRD glass ampoule
Reference standard : 4 pi [e+X]-gamma coincidence, weight set
Source of traceability : LNMRI/IRD
Approved on 11 April 2019
Institute service identifier : SIM-RAD-LNMRI/IRD-2014
CMC ID : SIM-RI-BR-00000J6E-1
 
Ionizing radiation
Activity per unit mass , Single nuclide, solution : 50 Bq/g to 1.00E6 Bq/g
Relative expanded uncertainty 3 %
Germanium spectrometer, measured or calculated efficiency, balance
Ba-133, 3 mL, LNMRI/IRD glass ampoule
Reference standard : 4 pi [e+X]-gamma coincidence, weight set
Source of traceability : LNMRI/IRD
Approved on 11 April 2019
Institute service identifier : SIM-RAD-LNMRI/IRD-2028
CMC ID : SIM-RI-BR-00000J75-1
 
Ionizing radiation
Activity per unit mass , Single nuclide, solution : 6.00E6 Bq/g to 3.00E11 Bq/g
Relative expanded uncertainty 3 %
Pressurized ionization chamber, balance
I-125, 3 mL, LNMRI/IRD glass ampoule
Reference standard : 4 pi [e+X]-gamma anticoincidence, weight set
Source of traceability : LNMRI/IRD
Approved on 11 April 2019
Institute service identifier : SIM-RAD-LNMRI/IRD-2087
CMC ID : SIM-RI-BR-00000J7G-1
 
Ionizing radiation
Activity , Single nuclide, solid : 100 Bq to 1.00E5 Bq
Relative expanded uncertainty 4 %
Germanium spectrometer, measured or calculated efficiency
Mn-54, point source, active area < 5 mm
Reference standard : 4 pi [e+X]-gamma coincidence, weight set
Source of traceability : LNMRI/IRD
Approved on 11 April 2019
Institute service identifier : SIM-RAD-LNMRI/IRD-2024
CMC ID : SIM-RI-BR-00000J6O-1
 
Ionizing radiation
Activity per unit mass , Single nuclide, solution : 2600 Bq/g to 2.60E6 Bq/g
Relative expanded uncertainty 5.4 %
Germanium spectrometer, measured or calculated efficiency, balance
Yb-169, 3 mL, LNMRI/IRD glass ampoule
Reference standard : 4 pi [e+X]-gamma coincidence, weight set
Source of traceability : LNMRI/IRD
Approved on 11 April 2019
Institute service identifier : SIM-RAD-LNMRI/IRD-2044
CMC ID : SIM-RI-BR-00000J43-1
 
Ionizing radiation
Activity per unit mass , Single nuclide, solution : 500 Bq/g to 1.00E5 Bq/g
Relative expanded uncertainty 3 %
Germanium spectrometer, measured or calculated efficiency, balance
Mn-54, 3 mL, LNMRI/IRD glass ampoule
Reference standard : 4 pi [e+X]-gamma coincidence, weight set
Source of traceability : LNMRI/IRD
Approved on 11 April 2019
Institute service identifier : SIM-RAD-LNMRI/IRD-2041
CMC ID : SIM-RI-BR-00000J40-1
 
Ionizing radiation
Activity per unit mass , Single nuclide, solution : 50 Bq/g to 1.00E6 Bq/g
Relative expanded uncertainty 3 %
Germanium spectrometer, measured or calculated efficiency, balance
Zn-65, 3 mL, LNMRI/IRD glass ampoule
Reference standard : 4 pi [e+X]-gamma coincidence, weight set
Source of traceability : LNMRI/IRD
Approved on 11 April 2019
Institute service identifier : SIM-RAD-LNMRI/IRD-2047
CMC ID : SIM-RI-BR-00000J45-1
 
Ionizing radiation
Activity per unit mass , Single nuclide, solution : 7.40E4 Bq/g to 1.00E9 Bq/g
Relative expanded uncertainty 0.9 %
Pressurized ionization chamber, balance
I-123, 3 mL, LNMRI/IRD glass ampoule
Reference standard : 4 pi [e+X]-gamma anticoincidence, weight set
Source of traceability : LNMRI/IRD
Approved on 11 April 2019
Institute service identifier : SIM-RAD-LNMRI/IRD-2086
CMC ID : SIM-RI-BR-00000J50-1
 
Ionizing radiation
Activity per unit mass , Single nuclide, solution : 3.70E4 Bq/g to 1.00E9 Bq/g
Relative expanded uncertainty 2.1 %
Pressurized ionization chamber, balance
Yb-169, 3 mL, LNMRI/IRD glass ampoule
Reference standard : 4 pi [e+X]-gamma coincidence, weight set
Source of traceability : LNMRI/IRD
Approved on 11 April 2019
Institute service identifier : SIM-RAD-LNMRI/IRD-2012
CMC ID : SIM-RI-BR-00000J60-1
 

Select Metrology Area

General physics
Acoustics, Ultrasound, Vibration

This metrology area covers the fields of acoustics, ultrasound and vibration.

Electricity and Magnetism

This metrology area covers the fields of DC and AC measurements, impedance, electric and magnetic fields, radiofrequencies and measurements on materials.

Length

This metrology area covers the fields of laser frequencies and dimensional metrology.

Mass and related quantities

This metrology area covers the fields of mass standards, force, pressure, density, hardness, torque, gravity and viscosity.

Photometry and Radiometry

Thermometry

Time and Frequency

Chemistry and Biology
Chemistry and Biology

This metrology area covers all fields relevant to chemistry and biology.

Ionizing radiation
Ionizing Radiation

This metrology area covers the fields of dosimetry, radioactivity and neutron measurements.