Plutonium age dating (production date measurement) by inductively coupled plasma mass spectrometry

被引：27

作者：

Varga, Zsolt ^{[1
]}

Nicholl, Adrian ^{[1
]}

Wallenius, Maria ^{[1
]}

Mayer, Klaus ^{[1
]}

机构：

[1] Commiss European Communities, Joint Res Ctr, Inst Transuranium Elements, Postfach 2340, D-76125 Karlsruhe, Germany

来源：

JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY | 2016年 / 307卷 / 03期

关键词：

Age dating; Radiochronometry; Plutonium; Nuclear safeguards; Nuclear forensics; NUCLEAR FORENSICS; PARTICLES; SAFEGUARDS; SEPARATION; RATIOS;

D O I：

10.1007/s10967-015-4418-5

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

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 U-235/Pu-239 and U-236/Pu-240 chronometers. The other method comprises a straightforward extraction chromatographic separation, followed by ICP-MS measurement for the U-234/Pu-238, U-235/Pu-239, U-236/Pu-240 and U-238/Pu-242 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.

引用

页码：1919 / 1926

页数：8

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