Article Dans Une Revue Journal of Radioanalytical and Nuclear Chemistry Année : 2021

$^{243}$Am certified reference material for mass spectrometry

Résumé

The Joint Research Centre, in cooperation with the Commissariat à l’Energie Atomique et aux Energies Alternatives, produced a novel 243 Am spike reference material for mass spectrometry. Americium solution with an isotopic composition of 88% 243 Am and 12% 241 Am was used as the source for the preparation of the spike material. The certified value of 5.696 (11) nmol g −1 for the amount content of 243 Am and 0.136138 (54) for the n ( 241 Am)/ n ( 243 Am) amount ratio were assigned. The assigned values from mass spectrometry were confirmed by alpha-particle spectrometry, alpha-particle counting at a defined solid angle, and high-resolution gamma-ray spectrometry. Furthermore, an external validation of the certified values was obtained from the results of an interlaboratory comparison exercise, using this americium reference solution as the test sample.
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cea-04720105 , version 1 (14-11-2024)

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Rožle Jakopič, Adelheid Fankhauser, Yetunde Aregbe, Stephan Richter, Marielle Crozet, et al.. $^{243}$Am certified reference material for mass spectrometry. Journal of Radioanalytical and Nuclear Chemistry, 2021, 327 (1), pp.495-504. ⟨10.1007/s10967-020-07521-x⟩. ⟨cea-04720105⟩
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