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|Title:||Plutonium age dating (production date measurement) by inductively coupled plasma mass spectrometry|
|Authors:||VARGA ZSOLT; NICHOLL Adrian; WALLENIUS Maria; MAYER Klaus|
|Citation:||JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY vol. 307 no. 3 p. 1919-1926|
|Type:||Articles in periodicals and books|
|Abstract:||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.|
|JRC Directorate:||Nuclear Safety and Security|
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