Plutonium age dating (production date measurement) by inductively coupled plasma mass spectrometry
This paper describes rapid methods for the determination of the production date (age dating) of plutonium (Pu) materials by inductively coupled plasma mass spectrometry (ICP-MS) for nuclear forensic and safeguards purposes. One of the presented methods is a rapid, direct
measurement without chemical separation using 235U/239Pu and 236U/240Pu chronometers. The other method comprises
a straightforward extraction chromatographic separation, followed by ICP-MS measurement for the 234U/238Pu, 235U/239Pu, 236U/240Pu and 238U/242Pu chronometers. Age dating results of two plutonium certified reference materials
(SRM 946 and 947, currently distributed as NBL CRM 136 and 137) are in good agreement with the archive purification dates.
VARGA Zsolt;
NICHOLL Adrian;
WALLENIUS Maria;
MAYER Klaus;
2016-05-04
SPRINGER
JRC95484
0236-5731,
https://publications.jrc.ec.europa.eu/repository/handle/JRC95484,
10.1007/s10967-015-4418-5,
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