Abstract
For nuclear safeguards purposes, two new uranium oxide micro-particle isotope reference materials were certified, IRMM-2329P and IRMM-2331P, with 235U enrichments of 3% and 5%, and 236U abundances of 30 µg·g1and 60 µg·g1, respectively. The isotopic compositions of the base materials were measured by TIMS. The production of the uranium oxide particles was achieved using a vibrating orifice aerosol generator (VOAG) and the particles deposited on carbon planchets. Process control verification measurements on dissolved uranium oxide particles were performed by MC-ICPMS. For IRMM-2329P also the uranium amount per particle was certified by TIMS/IDMS and verified by MC-ICPMS/IDMS.
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03 June 2022
A Correction to this paper has been published: https://doi.org/10.1007/s10967-022-08358-2
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Acknowledgements
The authors are particularly grateful to numerous colleagues at FZJ for the production of the particles and to colleagues at the IAEA-SGAS (S. Boulyga and U. Repinc) for their valuable support and collaboration on this project.
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Richter, S., Truyens, J., Venchiarutti, C. et al. Certification of the First Uranium Oxide micro-particle reference materials for Nuclear Safety and Security, IRMM-2329P and IRMM-2331P. J Radioanal Nucl Chem 332, 2809–2813 (2023). https://doi.org/10.1007/s10967-022-08255-8
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DOI: https://doi.org/10.1007/s10967-022-08255-8