Laser ablation inductively coupled plasma mass spectrometry analysis of isotopically heterogeneous uranium materials
A reliable and accurate laser ablation multi-collector inductively couple plasma mass spectrometry (LA-MC-ICP-MS) method was developed for analysis of inhomogeneous samples containing uranium particles or aggregates of various enrichments. For the method development, a mixed solid standard was prepared using 1% and 3% 235U enriched certified reference materials. After screening and localization of the particles of interest, the U isotopic composition was analysed for a 5-um sample spot determining accurately and precisely the various constituents. Besides the LA-MC-ICP-MS, the standard was also measured by large-geometry secondary ion mass spectrometry (LG-SIMS) for additional validation.
VARGA Zsolt;
WALLENIUS Maria;
NICHOLL Adrian;
MAYER Klaus;
2022-11-07
SPRINGER
JRC129980
0236-5731 (online),
https://link.springer.com/article/10.1007/s10967-022-08485-w,
https://publications.jrc.ec.europa.eu/repository/handle/JRC129980,
10.1007/s10967-022-08485-w (online),
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