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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)
Romania, IFIN-HH ("Horia Hulubei" National Institute of Research and Development for Physics and Nuclear Engineering)
Ionizing radiation
Activity per unit mass , Single nuclide solution : 4000 Bq/g to 8.00E5 Bq/g
Relative expanded uncertainty 2 %
4πPC-γcoincidence counting, balance
Cs-137, solution, glass ampoule
Reference standard : 4P-PC-BP-NA-GR-CO, 4piPC-g system, standard balance
Source of traceability : IFIN-HH, National Institute of Metrology (NMI) for balance
Approved on 10 September 2013
Institute service identifier : EUR-RAD-IFIN-HH-2015
Ionizing radiation
Activity , Single nuclide solid source : 100 Bq to 5000 Bq
Relative expanded uncertainty 5 %
4πPC-γ coincidence counting, NaI(Tl) counting, balance
Eu-152, solid source, cylinder, water equivalent, diameter 73 mm, height 40 mm, mass 170 g
Reference standard : 4P-PC-BP-NA-GR-CO, 4piPC-g system, NaI(Tl) crystal, standard balance
Source of traceability : IFIN-HH, National Institute of Metrology (NMI) for balance
Approved on 10 September 2013
Institute service identifier : EUR-RAD-IFIN-HH-2032
Ionizing radiation
Activity , Single nuclide solid source : 100 Bq to 5000 Bq
Relative expanded uncertainty 5 %
4πPC-γ coincidence counting, NaI(Tl) counting, balance
Cs-134, solid source, cylinder, water equivalent, diameter 73 mm, height 40 mm, mass 170 g
Reference standard : 4P-PC-BP-NA-GR-CO, 4piPC-g system, NaI(Tl) crystal, standard balance
Source of traceability : IFIN-HH, National Institute of Metrology (NMI) for balance
Approved on 10 September 2013
Institute service identifier : EUR-RAD-IFIN-HH-2030
Ionizing radiation
Activity per unit mass , Single nuclide solution : 4000 Bq/g to 8000 Bq/g
Relative expanded uncertainty 8 %
4πPC-γ coincidence counting, balance
Ag-110m, solution, glass ampoule
Reference standard : 4P-PC-BP-NA-GR-CO, 4piPC-g system, standard balance
Source of traceability : IFIN-HH, National Institute of Metrology (NMI) for balance
Approved on 10 September 2013
Institute service identifier : EUR-RAD-IFIN-HH-2011
Ionizing radiation
Activity per unit mass , Single nuclide solution : 4000 Bq/g to 8.00E4 Bq/g
Relative expanded uncertainty 3 %
4πPC-γ coincidence counting, balance
Tc-99m, solution, glass ampoule
Reference standard : 4P-PC-CE-NA-XR-CO, 4piPC-g system and UA-00-00-GH-GR-00, HPGe spectrometer, standard balance
Source of traceability : IFIN-HH, National Institute of Metrology (NMI) for balance
Approved on 10 September 2013
Institute service identifier : EUR-RAD-IFIN-HH-2035
Ionizing radiation
Activity per unit mass , Single nuclide solution : 1.00E5 Bq/g to 4.00E7 Bq/g
Relative expanded uncertainty 3 %
Ionization chamber, balance
I-131, solution, glass vial
Reference standard : 4P-PC-BP-NA-GR-CO, 4piPC-g system, standard balance
Source of traceability : IFIN-HH, National Institute of Metrology (NMI) for balance
Approved on 10 September 2013
Institute service identifier : EUR-RAD-IFIN-HH-2012
Ionizing radiation
Activity , Single nuclide solid source : 100 Bq to 5000 Bq
Relative expanded uncertainty 5 %
4πPC-γ coincidence counting, NaI(Tl) counting, balance
Ba-133, solid source, cylinder, water equivalent, diameter 73 mm, height 40 mm, mass 170 g
Reference standard : 4P-PC-XR/AE-NA-GR-CO, 4piPC-g system, NaI(Tl) crystal, standard balance
Source of traceability : IFIN-HH, National Institute of Metrology (NMI) for balance
Approved on 10 September 2013
Institute service identifier : EUR-RAD-IFIN-HH-2029
Ionizing radiation
Activity per unit mass , Single nuclide solution : 4000 Bq/g to 8000 Bq/g
Relative expanded uncertainty 2 %
4πPC-γ coincidence counting, balance
Mn-54, solution, glass ampoule
Reference standard : 4P-PC-XR/AE-NA-GR-CO, 4piPC-g system, standard balance
Source of traceability : IFIN-HH, National Institute of Metrology (NMI) for balance
Approved on 10 September 2013
Institute service identifier : EUR-RAD-IFIN-HH-2008
Ionizing radiation
Activity per unit mass , Single nuclide solution : 4000 Bq/g to 8.00E5 Bq/g
Relative expanded uncertainty 2 %
LSC counting or 4πPC-γ coincidence counting, balance
Am-241, solution, glass ampoule
Reference standard : 4P-LS-AP-00-00-00 LSC-TDCR counter or 4P-PC-AP-NA-GR-CO, 4piPC-g system, standard balance
Source of traceability : IFIN-HH, National Institute of Metrology (NMI) for balance
Approved on 10 September 2013
Institute service identifier : EUR-RAD-IFIN-HH-2006
Ionizing radiation
Activity per unit mass , Single nuclide solution : 4000 Bq/g to 8.00E5 Bq/g
Relative expanded uncertainty 2 %
Liquid scintillation counting, balance
H-3, tritiated water, glass ampoule
Reference standard : 4P-LS-BP-00-00-TD, LSC-TDCR counter, standard balance
Source of traceability : IFIN-HH, National Institute of Metrology (NMI) for balance
Approved on 10 September 2013
Institute service identifier : EUR-RAD-IFIN-HH-2001
Ionizing radiation
Activity per unit mass , Single nuclide solution : 4000 Bq/g to 8.99E5 Bq/g
Relative expanded uncertainty 2 %
4πPC-γ coincidence counting, balance
Co-60, solution, glass ampoule
Reference standard : 4P-PC-BP-NA-GR-CO, 4piPC-g system, standard balance
Source of traceability : IFIN-HH, National Institute of Metrology (NMI) for balance
Approved on 10 September 2013
Institute service identifier : EUR-RAD-IFIN-HH-2007
Ionizing radiation
Activity , Single nuclide solid source : 4000 Bq to 4.00E5 Bq
Relative expanded uncertainty 3.5 %
4πPC-γ coincidence counting, NaI(Tl) counting, balance
Ba-133, point source
Reference standard : 4P-PC-XR/AE-NA-GR-CO, 4piPC-g system, NaI(Tl)crystal, standard balance
Source of traceability : IFIN-HH, National Institute of Metrology (NMI) for balance
Approved on 10 September 2013
Institute service identifier : EUR-RAD-IFIN-HH-2023
Ionizing radiation
Activity per unit mass , Single nuclide solution : 4000 Bq/g to 8.00E5 Bq/g
Relative expanded uncertainty 2 %
Liquid scintillation counting, balance
Ni-63, solution, glass ampoule
Reference standard : 4P-LS-BP-00-00-TD, LSC-TDCR counter, standard balance
Source of traceability : IFIN-HH, National Institute of Metrology (NMI) for balance
Approved on 10 September 2013
Institute service identifier : EUR-RAD-IFIN-HH-2003
Ionizing radiation
Activity per unit mass , Single nuclide solution : 4000 Bq/g to 8000 Bq/g
Relative expanded uncertainty 2 %
4πPC-γ coincidence counting, balance
Ir-192, solution, glass ampoule
Reference standard : 4P-PC-BP/XR/AE/CE-NA-GR-CO, 4piPC-g system, standard balance
Source of traceability : IFIN-HH, National Institute of Metrology (NMI) for balance
Approved on 10 September 2013
Institute service identifier : EUR-RAD-IFIN-HH-2019
Ionizing radiation
Activity , Single nuclide solid source : 4000 Bq to 4.00E5 Bq
Relative expanded uncertainty 3.5 %
4πPC-γ coincidence counting, NaI(Tl) counting, balance
Co-60, point source
Reference standard : 4P-PC-BP-NA-GR-CO, 4piPC-g system, NaI(Tl) crystal, standard balance
Source of traceability : IFIN-HH, National Institute of Metrology (NMI) for balance
Approved on 10 September 2013
Institute service identifier : EUR-RAD-IFIN-HH-2022
Ionizing radiation
Activity per unit mass , Single nuclide solution : 4000 Bq/g to 8000 Bq/g
Relative expanded uncertainty 2 %
Liquid scintillation counting, balance
Sr-89, solution, glass ampoule
Reference standard : 4P-LS-BP-00-00-TD, LSC-TDCR counter, standard balance
Source of traceability : IFIN-HH, National Institute of Metrology (NMI) for balance
Approved on 10 September 2013
Institute service identifier : EUR-RAD-IFIN-HH-2004
Ionizing radiation
Activity , Single nuclide solid source : 100 Bq to 5000 Bq
Relative expanded uncertainty 5 %
4πPC-γ coincidence counting, NaI(Tl) counting, balance
Co-60, solid source, cylinder, water equivalent, diameter 73 mm, height 40 mm, mass 170 g
Reference standard : 4P-PC-BP-NA-GR-CO, 4piPC-g system, NaI(Tl) crystal, standard balance
Source of traceability : IFIN-HH, National Institute of Metrology (NMI) for balance
Approved on 10 September 2013
Institute service identifier : EUR-RAD-IFIN-HH-2028
Ionizing radiation
Activity per unit mass , Single nuclide solution : 4000 Bq/g to 8.00E5 Bq/g
Relative expanded uncertainty 2 %
4πPC-γ coincidence counting, balance
Cs-134, solution, glass ampoule
Reference standard : 4P-PC-BP-NA-GR-CO, 4piPC-g system, standard balance
Source of traceability : IFIN-HH, National Institute of Metrology (NMI) for balance
Approved on 10 September 2013
Institute service identifier : EUR-RAD-IFIN-HH-2014
Ionizing radiation
Activity per unit mass , Single nuclide solution : 4000 Bq/g to 8000 Bq/g
Relative expanded uncertainty 2 %
Liquid scintillation counting, balance
Tl-204, solution, glass ampoule
Reference standard : 4P-LS-BP-00-00-TD, LSC-TDCR counter, standard balance
Source of traceability : IFIN-HH, National Institute of Metrology (NMI) for balance
Approved on 10 September 2013
Institute service identifier : EUR-RAD-IFIN-HH-2005
Ionizing radiation
Activity per unit mass , Single nuclide solution : 4000 Bq/g to 8000 Bq/g
Relative expanded uncertainty 2 %
4πPC-γ coincidence counting, balance
Yb-169, solution, glass ampoule
Reference standard : 4P-PC-XR/AE-NA-GR-CO, 4piPC-g system, standard balance
Source of traceability : IFIN-HH, National Institute of Metrology (NMI) for balance
Approved on 10 September 2013
Institute service identifier : EUR-RAD-IFIN-HH-2018

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