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Zr precipitation kinetics in irradiated fuel dissolution solution by TIMS and ICP-MS: a combined study

Abstract : This study presents the combined analysis of leftover zirconium in irradiated fuel dissolution solution through time. Thermo-ionisation mass spectrometry was used to analyse the kinetics start and final aliquots with uncertainties lower than 3%, while inductively coupled plasma-mass spectrometry (ICP-MS) was used for intermediary aliquots. In order to obtain low uncertainties using ICP-MS, dissolution solutions were spiked with lutetium, used as a process tracer, in order to perform a relative analysis. The analytical parameters were optimised and uncertainties were lower than 3% for real nuclear samples. This method shows the input of ICP-MS for concentration evolutions determination.
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Submitted on : Monday, August 19, 2019 - 2:42:55 PM
Last modification on : Thursday, September 3, 2020 - 1:54:02 PM
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Sarah Baghdadi, Alexandre Quémet, Eric Esbelin, Yohann Manidren, Sophie Gracia, et al.. Zr precipitation kinetics in irradiated fuel dissolution solution by TIMS and ICP-MS: a combined study. Journal of Radioanalytical and Nuclear Chemistry, Springer Verlag, 2017, 314 (3), pp.2377-2382. ⟨10.1007/s10967-017-5602-6⟩. ⟨cea-02267579⟩

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