243Am certified reference material for mass spectrometry
The Joint Research Centre, in cooperation with the Commissariat à l’Energie Atomique et aux Energies Alternatives, produced a novel 243Am spike reference material for mass spectrometry. Americium solution with an isotopic composition of 88 % 243Am and 12 % 241Am was used as the source for the preparation of the spike material. The certified values of 5.696 (11)·10-9 mol g-1 and 0.136138 (54) were assigned for the amount content of 243Am and the n(241Am)/n(243Am) amount ratio, respectively. 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.
JAKOPIC Rozle;
FANKHAUSER Adelheid;
AREGBE Yetunde;
RICHTER Stephan;
CROZET M.;
MAILLARD Christophe;
RIVIER C.;
ROUDIL D.;
MAROULI Maria;
TZIKA Faidra;
ALTZITZOGLOU Timotheos;
POMME Stefaan;
2021-02-15
SPRINGER
JRC121825
0236-5731 (online),
https://doi.org/10.1007/s10967-020-07521-x,
https://publications.jrc.ec.europa.eu/repository/handle/JRC121825,
10.1007/s10967-020-07521-x (online),
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