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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)
Cuba, CENTIS (Centro de Isótopos)
Ionizing radiation
Activity , Single nuclide solid point source (gamma emitting) : 3800 Bq to 4.20E5 Bq
Relative expanded uncertainty 1.6 %
Gamma ray spectrometer
Am-241, polyvinil acetate foils, active diameter < 5 mm
Reference standard : Certified gamma reference point source of Am-241 (No 96-165) by 4πα-γ coincidence counting
Source of traceability : MKEH (Bq)
Approved on 13 April 2005
Institute service identifier : COO-RAD-CENTIS-DMR-2028
Ionizing radiation
Activity , Single nuclide solid point source (gamma emitting) : 1300 Bq to 3.10E5 Bq
Relative expanded uncertainty 2 %
Gamma ray spectrometer
Ba-133, polyvinil acetate foils, active diameter < 5 mm
Reference standard : Certified gamma reference point source of Ba-133 (No 96-161) by 4π(X+e)-γ coincidence counting
Source of traceability : MKEH (Bq)
Approved on 13 April 2005
Institute service identifier : COO-RAD-CENTIS-DMR-2025
Ionizing radiation
Activity per unit mass , Single nuclide solution : 1.70E5 Bq/g to 8.10E7 Bq/g
Relative expanded uncertainty 2.4 %
HPGe spectrometer, balance
Eu-152, point sources, active diameter < 5 mm
Reference standard : Certified gamma reference point source of Eu-152 (No 96-171) by 4π(β+X+e)-γ coincidence counting, standard weighing set
Source of traceability : MKEH (Bq), INIMET (g)
Approved on 13 April 2005
Institute service identifier : COO-RAD-CENTIS-DMR-2013
Ionizing radiation
Activity per unit mass , Reference material: resin with Fe impurity : 0.02 Bq/g to 10 Bq/g
Relative expanded uncertainty 9.6 %
Gamma-ray spectrometry (HPGe spectrometer), balance
Eu-152, cylindrical container, sample density from 0.9 g cm-3 to 1.1 g cm-3
Reference standard : Calibrated γ-ray spectrometer using a sediment sample spiked with a calibrated Eu-152 solution, set of standard weights
Source of traceability : MKEH (Bq), INIMET (g)
Approved on 23 September 2011
Institute service identifier : COO-RAD-CENTIS-DMR-2050
Ionizing radiation
Activity , Single nuclide solid point source (gamma emitting) : 1900 Bq to 3.90E5 Bq
Relative expanded uncertainty 2 %
Gamma ray spectrometer
Cs-137, polyvinil acetate foils, active diameter < 5 mm
Reference standard : Certified gamma reference point source of Cs-137/Ba-137m (No 96-176) by 4πβ-γ tracer coincidence counting
Source of traceability : MKEH (Bq)
Approved on 13 April 2005
Institute service identifier : COO-RAD-CENTIS-DMR-2024
Ionizing radiation
Activity per unit mass , Single nuclide solution : 1.00E5 Bq/g to 8.00E7 Bq/g
Relative expanded uncertainty 1.8 %
Liquid scintillation counting (CIEMAT/NIST), balance
Cs-137, scintillation vial
Reference standard : Liquid scintillation counter (CIEMAT/NIST), set of standard weights
Source of traceability : CENTIS-DMR (Bq), LNE and PTB (H-3 tracer), INIMET (g)
Approved on 23 September 2011
Institute service identifier : COO-RAD-CENTIS-DMR-2043
Ionizing radiation
Activity per unit mass , Single nuclide solution : 1.70E5 Bq/g to 8.10E7 Bq/g
Relative expanded uncertainty 3.8 %
Well type ionization chamber, balance
Co-60, 5 ml nuclide solution in a glass ampoule
Reference standard : Certified gamma reference point source of Co-60 (No 96-153) by 4πβ-γ coincidence counting, standard weighing set
Source of traceability : MKEH (Bq), INIMET (g)
Approved on 13 April 2005
Institute service identifier : COO-RAD-CENTIS-DMR-2012
Ionizing radiation
Activity per unit mass , Single nuclide solution : 3.00E6 Bq/g to 8.00E7 Bq/g
Relative expanded uncertainty 4.4 %
Well type ionization chamber, balance
Sr-90/Y-90, 5 ml nuclide solution in a glass ampoule
Reference standard : Liquid scintillation counter (CIEMAT/NIST), set of standard weights
Source of traceability : CENTIS-DMR (Bq), LNE and PTB (H-3 tracer), INIMET (g)
Approved on 23 September 2011
Institute service identifier : COO-RAD-CENTIS-DMR-2038
Ionizing radiation
Activity per unit mass , Reference material: soils/sediment : 0.02 Bq/g to 10 Bq/g
Relative expanded uncertainty 5 % to 3 %
Gamma-ray spectrometry (HPGe spectrometer), balance
Cs-137, spiked sediment/soil, 50 g or 250 g
Reference standard : Calibrated γ-ray spectrometer using calibrated at CENTIS-DMR solution in spike sediment, set of standard weights
Source of traceability : MKEH (Bq), INIMET (g)
Approved on 13 April 2005
Institute service identifier : COO-RAD-CENTIS-DMR-2029
Ionizing radiation
Activity per unit mass , Single nuclide solution : 1.90E6 Bq/g to 8.10E7 Bq/g
Relative expanded uncertainty 3.6 %
HPGe spectrometer, balance
Re-188, point sources for HPGe measurements, active diameter < 5 mm (source-detector distance no less than 20 cm)
Reference standard : Calibrated Ge spectrometer using certified gamma reference point sources: Co-57 (No 96-157), Ba-133 (No 96-161), Eu-152 (No 96-171), Co-60 (No 96-153), Cs-137/Ba-137m (No 96-176), standard weighing set
Source of traceability : MKEH (Bq), INIMET (g)
Approved on 13 April 2005
Institute service identifier : COO-RAD-CENTIS-DMR-2017
Ionizing radiation
Activity per unit mass , Reference material: food : 0.02 Bq/g to 10 Bq/g
Relative expanded uncertainty 6.1 %
Gamma-ray spectrometry (HPGe spectrometer), balance
Cs-137, cylindrical container, sample density from 0.9 g cm-3 to 1.1 g cm-3
Reference standard : Calibrated γ-ray spectrometer using a sediment sample spiked with a calibrated Eu-152 solution, set of standard weights
Source of traceability : MKEH (Bq), INIMET (g)
Approved on 23 September 2011
Institute service identifier : COO-RAD-CENTIS-DMR-2051
Ionizing radiation
Activity per unit mass , Reference material: soils/sediment : 0.02 Bq/g to 10 Bq/g
Relative expanded uncertainty 4 %
Gamma-ray spectrometry (HPGe spectrometer), balance
Co-57, spiked sediment/soil, 50 g or 250 g
Reference standard : Calibrated γ-ray spectrometer using calibrated at CENTIS-DMR solution in spike sediment, set of standard weights
Source of traceability : MKEH (Bq), INIMET (g)
Approved on 13 April 2005
Institute service identifier : COO-RAD-CENTIS-DMR-2029
Ionizing radiation
Activity per unit mass , Single nuclide solution : 1.90E6 Bq/g to 1.50E8 Bq/g
Relative expanded uncertainty 3.8 %
Well type ionization chamber, balance
Tl-201, 5 ml nuclide solution in a glass ampoule
Reference standard : Calibrated Ge spectrometer using certified gamma reference point sources: Am-241 (No 96-165), Co-57 (No 96-157), Ba-133 (No 96-161), Eu-152 (No 96-171), standard weighing set
Source of traceability : MKEH (Bq), INIMET (g)
Approved on 13 April 2005
Institute service identifier : COO-RAD-CENTIS-DMR-2002
Ionizing radiation
Activity , Sealed well type ionization chamber used in medicine : 3.00E6 Bq to 3.70E10 Bq
Relative expanded uncertainty 4 %
Comparison
I-131, nuclide solution in glass ampoules and plastic syringes of commom use in nuclear medicine, different volumes
Reference standard : Secondary standard ionization chamber
Source of traceability : MKEH (Bq)
Approved on 13 April 2005
Institute service identifier : COO-RAD-CENTIS-DMR-2022
Ionizing radiation
Activity per unit mass , Single nuclide solution : 1.00E5 Bq/g to 8.00E7 Bq/g
Relative expanded uncertainty 1.5 %
Liquid scintillation counting (CIEMAT/NIST), balance
Sr-90/Y-90, scintillation vial
Reference standard : Liquid scintillation counter (CIEMAT/NIST), set of standard weights
Source of traceability : CENTIS-DMR (Bq), LNE and PTB (H-3 tracer), INIMET (g)
Approved on 23 September 2011
Institute service identifier : COO-RAD-CENTIS-DMR-2035
Ionizing radiation
Activity per unit mass , Single nuclide solution : 1.90E6 Bq/g to 1.50E8 Bq/g
Relative expanded uncertainty 3 %
HPGe spectrometer, balance
Tl-201, point sources for HPGe measurements, active diameter < 5 mm (source-detector distance no less than 20 cm)
Reference standard : Calibrated Ge spectrometer using certified gamma reference point sources: Am-241 (No 96-165), Co-57 (No 96-157), Ba-133 (No 96-161), Eu-152 (No 96-171), standard weighing set
Source of traceability : MKEH (Bq), INIMET (g)
Approved on 13 April 2005
Institute service identifier : COO-RAD-CENTIS-DMR-2001
Ionizing radiation
Activity , Sealed well type ionization chamber used in medicine : 3.00E6 Bq to 1.60E9 Bq
Relative expanded uncertainty 5 %
Comparison
Y-90, nuclide solution in glass ampoules and plastic syringes of commom use in nuclear medicine, different volumes
Reference standard : Secondary standard ionization chamber
Source of traceability : CENTIS-DMR (Bq), INIMET (g)
Approved on 23 September 2011
Institute service identifier : COO-RAD-CENTIS-DMR-2040
Ionizing radiation
Activity , Sealed well type ionization chamber used in medicine : 3.00E6 Bq to 3.70E10 Bq
Relative expanded uncertainty 4 %
Comparison
Tc-99m, nuclide solution in glass ampoules and plastic syringes of commom use in nuclear medicine, different volumes
Reference standard : Secondary standard ionization chamber
Source of traceability : MKEH (Bq)
Approved on 13 April 2005
Institute service identifier : COO-RAD-CENTIS-DMR-2021
Ionizing radiation
Activity per unit mass , Reference material: water : 0.02 Bq/g to 10 Bq/g
Relative expanded uncertainty 9.6 %
Gamma-ray spectrometry (HPGe spectrometer), balance
Eu-152, cylindrical container, sample density from 0.9 g cm-3 to 1.1 g cm-3
Reference standard : Calibrated γ-ray spectrometer using a sediment sample spiked with a calibrated Eu-152 solution, set of standard weights
Source of traceability : MKEH (Bq), INIMET (g)
Approved on 23 September 2011
Institute service identifier : COO-RAD-CENTIS-DMR-2047
Ionizing radiation
Activity per unit mass , Single nuclide solution : 1.00E5 Bq/g to 8.00E7 Bq/g
Relative expanded uncertainty 1.5 %
Liquid scintillation counting (CIEMAT/NIST), balance
Y-90, scintillation vial
Reference standard : Liquid scintillation counter (CIEMAT/NIST), set of standard weights
Source of traceability : CENTIS-DMR (Bq), LNE and PTB (H-3 tracer), INIMET (g)
Approved on 23 September 2011
Institute service identifier : COO-RAD-CENTIS-DMR-2034

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