期刊
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY
卷 324, 期 1, 页码 169-188出版社
SPRINGER
DOI: 10.1007/s10967-020-07053-4
关键词
Reference material; Plutonium; Pu isotopic ratios; Environmental samples; Statistical value
资金
- STU Scientific Research Foundation for Talents [NTF18011]
- major special project of Guangdong Laboratory of Southern Marine Science and Engineering [GML2019ZD0606]
- JSPS Kakenhi [JP17k00537, JP17H01874]
Reference materials (RMs) are very important for method development and validation. In order to quickly and reliably select the suitable RM for validating the determination of plutonium (Pu), we reviewed the RMs of Pu and prepared extensive Pu datasets in this study. After data treatment and a series of statistical analyses, we obtained the statistical values of Pu238-241 activity and Pu isotopic ratio for RMs. The statistical value of Pu239+240 activity is consistent with the certified value, indicating these measured values are highly reliable. We anticipate that, after further independent work at different laboratories, the statistical values of the Pu isotopic ratios are very important to validate analysis methods and calibrate the mass bias for environmental Pu analysis.
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