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Journal Articles Metrologia Year : 2018

Uranium and Plutonium EQRAINs from 1997 to now Comparison to ITVs 2010

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Abstract

Since 1987, the CEA's Committee for the Establishment of Analysis Methods (CETAMA) has regularly implemented interlaboratory comparisons, entitled Evaluation of the Quality of Analysis Results in the Nuclear Industry (EQRAIN). Notably, the EQRAIN U and EQRAIN Pu interlaboratory comparisons assess the proficiency to measure mass content of uranium or plutonium in reference solutions.This paper presents the results of measurement uncertainty assesssment from EQRAIN U and EQRAIN Pu comparisons over 20 years exercices (1997 2016). The chosen mathematical approach allows to estimate contributions due to systematic and random errors in results uncertainty for each of the current analytical methods. This statistical analysis shows a good consistency between measurement uncertainties values from EQRAINs and the measurement uncertainty target values established by International Atomic Energy Agency (IAEA) for nuclear material balances (ITVs 2010).
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Dates and versions

cea-02339948 , version 1 (30-10-2019)

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  • HAL Id : cea-02339948 , version 1

Cite

M. Crozet, D. Roudil, C. Rigaux, C. Bertorello, S. Picart. Uranium and Plutonium EQRAINs from 1997 to now Comparison to ITVs 2010. Metrologia, 2018. ⟨cea-02339948⟩

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