Intercomparison exercise on difficult to measure alpha radionuclides in spent ion exchange resin

Anumaija Leskinen; Simon Jerome; Tiina Lavonen; Celine Gautier; Solveig Stordal; Susanna Salminen-Paatero; Veronika Meriläinen

doi:10.1007/s10967-023-09233-4

Intercomparison exercise on difficult to measure alpha radionuclides in spent ion exchange resin

Anumaija Leskinen^*, Simon Jerome, Tiina Lavonen, Celine Gautier, Solveig Stordal, Susanna Salminen-Paatero, Veronika Meriläinen

^*Corresponding author for this work

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Abstract

In radiochemical analysis of decommissioning waste, reference materials are not commercially available and consequently intercomparison exercises are needed for method validations. This paper reports the results from an intercomparison exercise focusing on analyses of α-emitter radionuclides in spent ion exchange resin. The exercise and statistical analysis of the submitted results were carried out based on ISO 13528 standard according to which the assigned values were calculated from the participant’s results and the performances were assessed using z-scores, which showed excellent performance for all 241Am analyses, good performance for 238Pu analyses, tolerable performance for 239,240Pu analyses, and questionable 243,244Cm analyses.

Original language	English
Pages (from-to)	563–584
Number of pages	22
Journal	Journal of Radioanalytical and Nuclear Chemistry
Volume	333
DOIs	https://doi.org/10.1007/s10967-023-09233-4
Publication status	Published - 2024
MoE publication type	A1 Journal article-refereed

Funding

The authors would like to thank the Nordic Nuclear Research NKS-B programme ( www.nks.org ) for funding the RESINA project. The authors would also like to thank the other participating laboratories, namely Technical University of Denmark, Institute for Energy Technology Kjeller, Taiwan Power Company Radiation Laboratory and UK National Nuclear Laboratory for provision of data and collaboration. National fundings were given by Finnish Research Programme on Nuclear Waste Management KYT 2022. A-LABOS-EX-PR-SC-01 project is thanked for the CEA self-funding. CEA LASE laboratory operators Yousim Taing, and Jacques Bubendorff are thanked for their experimental contributions. Hidex customer support personnel is thanked for the help in interpretation of the LSC spectra. Alex Sanz, Isaac Guerra and Hector Navarro (Universitat de Barcelona) are thanked for the collaboration and provision of the α-PSresin.

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This output contributes to the following UN Sustainable Development Goals (SDGs)

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AU - Lavonen, Tiina

AU - Gautier, Celine

AU - Stordal, Solveig

AU - Salminen-Paatero, Susanna

AU - Meriläinen, Veronika

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JO - Journal of Radioanalytical and Nuclear Chemistry

JF - Journal of Radioanalytical and Nuclear Chemistry

ER -

Intercomparison exercise on difficult to measure alpha radionuclides in spent ion exchange resin

Abstract

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UN SDGs

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