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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)
Argentina, CNEA (National Commission of Atomic Energy)
Ionizing radiation
Activity per unit mass , Solution, single-radionuclide source : 100 Bq/g to 1.00E6 Bq/g
Relative expanded uncertainty 1.3 %
4π(PC)-γ coincidence efficiency tracer counting, balance
Cs-137, acid solution
Reference standard : 4π(PC)-γ coincidence efficiency tracer counting, weight set
Source of traceability : CNEA-LMR (Bq), SCS-METAS (g)
Approved on 10 October 2013
Institute service identifier : SIM-RAD-CNEA-2093
Ionizing radiation
Activity per unit mass , Solution, single-radionuclide source : 1000 Bq/g to 2.00E5 Bq/g
Relative expanded uncertainty 0.4 %
Liquid-scintillation counting (TDCR), balance
Y-90, glass ampoule
Reference standard : Liquid-scintillation counting (TDCR), weight set
Source of traceability : CNEA-LMR (Bq), SCS-METAS (g)
Approved on 10 October 2013
Institute service identifier : SIM-RAD-CNEA-2180
Ionizing radiation
Activity per unit mass , Solution, single-radionuclide source : 300 Bq/g to 3.00E6 Bq/g
Relative expanded uncertainty 0.9 %
4π(PPC)-γ coincidence counting, balance
Ir-192, acid solution
Reference standard : 4π(PPC)-γ coincidence counting, weight set
Source of traceability : CNEA-LMR (Bq), SCS-METAS (g)
Approved on 10 October 2013
Institute service identifier : SIM-RAD-CNEA-2107
Ionizing radiation
Activity per unit mass , Solution, single-radionuclide source : 300 Bq/g to 3.00E6 Bq/g
Relative expanded uncertainty 0.8 %
4π(PC)-γ coincidence counting, balance
Zn-65, acid solution
Reference standard : 4π(PPC)-γ coincidence counting, weight set
Source of traceability : CNEA-LMR (Bq), SCS-METAS (g)
Approved on 10 October 2013
Institute service identifier : SIM-RAD-CNEA-2105
Ionizing radiation
Activity per unit mass , Solution, single-radionuclide source : 300 Bq/g to 3.00E6 Bq/g
Relative expanded uncertainty 3.4 %
4π(PPC)-γ coincidence counting, balance
Eu-152, acid solution
Reference standard : 4π(PPC)-γ coincidence counting, weight set
Source of traceability : CNEA-LMR (Bq), SCS-METAS (g)
Approved on 10 October 2013
Institute service identifier : SIM-RAD-CNEA-2098
Ionizing radiation
Activity per unit mass , Solution, single-radionuclide source : 100 Bq/g to 1.00E6 Bq/g
Relative expanded uncertainty 3 %
4π(PC)-γ coincidence counting, balance
Se-75, acid solution
Reference standard : 4π(PC)-γ coincidence counting, weight set
Source of traceability : CNEA-LMR (Bq), SCS-METAS (g)
Approved on 10 October 2013
Institute service identifier : SIM-RAD-CNEA-2094
Ionizing radiation
Activity per unit mass , Solution, single-radionuclide source : 0.1 Bq/g to 1.00E5 Bq/g
Relative expanded uncertainty 1.9 %
Liquid-scintillation counting (CIEMAT/NIST), balance
P-32, glass ampoule
Reference standard : Liquid-scintillation counting (CIEMAT/NIST), weight set
Source of traceability : NIST (Bq), SCS-METAS (g)
Approved on 10 October 2013
Institute service identifier : SIM-RAD-CNEA-2103
Ionizing radiation
Activity per unit mass , Solution, single-radionuclide source : 100 Bq/g to 1.00E6 Bq/g
Relative expanded uncertainty 1 %
Defined solid-angle (Silicon ion implanted detector)
Pu-238, point source
Reference standard : Defined-solid-angle counter with alpha detector
Source of traceability : CNEA-LMR (Bq), SCS-METAS (g)
Approved on 10 October 2013
Institute service identifier : SIM-RAD-CNEA-2099
Ionizing radiation
Activity per unit mass , Solution, single-radionuclide source : 300 Bq/g to 3.00E6 Bq/g
Relative expanded uncertainty 0.6 %
4π(PPC)-γ coincidence counting, balance
Co-60, acid solution
Reference standard : 4π(PPC)-γ coincidence counting, weight set
Source of traceability : CNEA-LMR (Bq), SCS-METAS (g)
Approved on 10 October 2013
Institute service identifier : SIM-RAD-CNEA-2102
Ionizing radiation
Activity per unit mass , Solution, single-radionuclide source : 100 Bq/g to 1.00E6 Bq/g
Relative expanded uncertainty 5.1 %
4π(PC)-γ coincidence counting, balance
Ho-166m, acid solution
Reference standard : 4π(PC)-γ coincidence counting, weight set
Source of traceability : CNEA-LMR (Bq), SCS-METAS (g)
Approved on 10 October 2013
Institute service identifier : SIM-RAD-CNEA-2106
Ionizing radiation
Activity per unit mass , Solution, single-radionuclide source : 0.1 Bq/g to 1.00E5 Bq/g
Relative expanded uncertainty 0.8 %
Liquid-scintillation counting (CIEMAT/NIST), balance
Tl-204, glass ampoule
Reference standard : Liquid-scintillation counting (CIEMAT/NIST), weight set
Source of traceability : NIST (Bq), SCS-METAS (g)
Approved on 10 October 2013
Institute service identifier : SIM-RAD-CNEA-2104
Ionizing radiation
Activity per unit mass , Solution, single-radionuclide source : 100 Bq/g to 1.00E6 Bq/g
Relative expanded uncertainty 1.7 %
4π(PC)-γ coincidence counting, balance
Ba-133, acid solution
Reference standard : 4π(PC)-γ coincidence counting, weight set
Source of traceability : CNEA-LMR (Bq), SCS-METAS (g)
Approved on 10 October 2013
Institute service identifier : SIM-RAD-CNEA-2096
Ionizing radiation
Activity per unit mass , Solution, single-radionuclide source : 0.1 Bq/g to 1.00E5 Bq/g
Relative expanded uncertainty 1 %
Liquid-scintillation counting (CIEMAT/NIST), balance
Sr-89, glass ampoule
Reference standard : Liquid-scintillation counting (CIEMAT/NIST), weight set
Source of traceability : NIST (Bq), SCS-METAS (g)
Approved on 10 October 2013
Institute service identifier : SIM-RAD-CNEA-2014
Ionizing radiation
Activity per unit mass , Solution, single-radionuclide source : 300 Bq/g to 3.00E6 Bq/g
Relative expanded uncertainty 1.5 %
4π(PPC)-γ coincidence counting, balance
Cs-137, acid solution
Reference standard : 4π(PPC)β-γ coincidence counting, weight set
Source of traceability : CNEA-LMR (Bq), SCS-METAS (g)
Approved on 10 October 2013
Institute service identifier : SIM-RAD-CNEA-2137
Ionizing radiation
Activity per unit mass , Solution, single-radionuclide source : 300 Bq/g to 3.00E6 Bq/g
Relative expanded uncertainty 0.7 %
4π(PPC)-γ coincidence counting, balance
I-131, acid solution
Reference standard : 4π(PPC)β-γ coincidence counting, weight set
Source of traceability : CNEA-LMR (Bq), SCS-METAS (g)
Approved on 10 October 2013
Institute service identifier : SIM-RAD-CNEA-2134
Ionizing radiation
Activity per unit mass , Solution, single-radionuclide source : 1000 Bq/g to 2.00E5 Bq/g
Relative expanded uncertainty 1 %
Liquid-scintillation counting (TDCR), balance
Co-60, glass ampoule
Reference standard : Liquid-scintillation counting (TDCR), weight set
Source of traceability : CNEA-LMR (Bq), SCS-METAS (g)
Approved on 10 October 2013
Institute service identifier : SIM-RAD-CNEA-2174
Ionizing radiation
Activity per unit mass , Solution, single-radionuclide source : 0.1 Bq/g to 1.00E5 Bq/g
Relative expanded uncertainty 0.6 %
Liquid-scintillation counting (CIEMAT/NIST), balance
Co-60, glass ampoule
Reference standard : Liquid-scintillation counting (CIEMAT/NIST), weight set
Source of traceability : NIST (Bq), SCS-METAS (g)
Approved on 10 October 2013
Institute service identifier : SIM-RAD-CNEA-2101
Ionizing radiation
Activity per unit mass , Solution, single-radionuclide source : 1000 Bq/g to 2.00E5 Bq/g
Relative expanded uncertainty 1 %
Liquid-scintillation counting (TDCR), balance
Ge-68/Ga-68, glass ampoule
Reference standard : Liquid-scintillation counting (TDCR), weight set
Source of traceability : CNEA-LMR (Bq), SCS-METAS (g)
Approved on 10 October 2013
Institute service identifier : SIM-RAD-CNEA-2177
Ionizing radiation
Activity per unit mass , Solution, single-radionuclide source : 300 Bq/g to 3.00E6 Bq/g
Relative expanded uncertainty 1 %
4π(PPC)-γ coincidence counting, balance
Ge-68/Ga-68, acid solution
Reference standard : 4π(PPC)β-γ coincidence counting, weight set
Source of traceability : CNEA-LMR (Bq), SCS-METAS (g)
Approved on 10 October 2013
Institute service identifier : SIM-RAD-CNEA-2122
Ionizing radiation
Activity per unit mass , Solution, single-radionuclide source : 300 Bq/g to 3.00E6 Bq/g
Relative expanded uncertainty 1.8 %
4π(PPC)-γ coincidence counting, balance
Co-58, acid solution
Reference standard : 4π(PPC)-γ coincidence counting, weight set
Source of traceability : CNEA-LMR (Bq), SCS-METAS (g)
Approved on 10 October 2013
Institute service identifier : SIM-RAD-CNEA-2097

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