Plutonium assay and isotopic composition measurements in nuclear safeguards samples by inductively coupled plasma mass spectrometry

We describe analytical methods used to accurately and precisely determine the Pu amount and isotopic composition of nuclear material obtained from chemically digested and purified environmental swipe samples using a multicollector inductively coupled plasma mass spectrometer. Analyses of certified r...

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Bibliographic Details
Published in:Journal of analytical atomic spectrometry 2019-06, Vol.34 (6), p.1154-1165
Main Authors: Eppich, Gary R, Mácsik, Zsuzsanna, Katona, Róbert, Konegger-Kappel, Stefanie, Stadelmann, Guillaume, Köpf, Andreas, Varga, Beata, Boulyga, Sergei
Format: Article
Language:English
Subjects:
Chemical separation
Composition
Inductively coupled plasma mass spectrometry
Isotope ratios
Isotopes
Mass spectrometry
Nuclear safety
Organic chemistry
Plutonium
Reference materials
Scientific imaging
Spectroscopy
Uncertainty
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Summary:We describe analytical methods used to accurately and precisely determine the Pu amount and isotopic composition of nuclear material obtained from chemically digested and purified environmental swipe samples using a multicollector inductively coupled plasma mass spectrometer. Analyses of certified reference material solution standards at a concentration of ∼0.2 pg mL −1 are presented to demonstrate that the isotopic composition of Pu materials with a 240 Pu/ 239 Pu, 241 Pu/ 239 Pu, and/or 242 Pu/ 239 Pu ratio ≥6.3 × 10 −2 can be accurately measured with a precision
ISSN:0267-9477
1364-5544
DOI:10.1039/c9ja00047j