| アイテムタイプ |
学術雑誌論文 / Journal Article(1) |
| 公開日 |
2024-12-04 |
| タイトル |
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|
タイトル |
A comprehensive survey of reference materials for their use in quality assurance for the determination of Np-237 in environmental samples |
|
言語 |
en |
| 言語 |
|
|
言語 |
eng |
| 資源タイプ |
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資源タイプ識別子 |
http://purl.org/coar/resource_type/c_6501 |
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資源タイプ |
journal article |
| 著者 |
Qin Ning
Jian Zheng
Guosheng Yang
Tagami Keiko
|
| 抄録 |
|
|
内容記述タイプ |
Abstract |
|
内容記述 |
Neptunium-237 (237Np) is one of the most hazardous radionuclides of public concern due to its extreme radiological toxicity, long half-life and environmental mobility. Supplying Standard Reference Materials (SRMs) with well characterized 237Np activity concentrations is of importance to develop 237Np determination methods and their validation for the accurate determination of 237Np in environmental samples. In this study, a comprehensive literature survey of 237Np activity concentrations in SRMs was carried out covering the various matrices, e.g., sediment/soil, seawater, and biota. Activity concentrations of 237Np in 25 SRMs were summarized based on a statistical method. Then, accuracy of different instrument analyses and acid digestion methods were evaluated. Finally, by optimizing the analytical method, 237Np activity concentration in JSAC-0471 soil SRM was measured by sector field ICP-MS. The reference values will provide information in suitable selection of SRMs for 237Np isotope determination. |
| 書誌情報 |
Journal of Environmental Radioactivity
巻 271,
p. 107328,
発行日 2023-11
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| 出版者 |
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出版者 |
Elsevier |
| ISSN |
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収録物識別子タイプ |
ISSN |
|
収録物識別子 |
1879-1700 |
| DOI |
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|
識別子タイプ |
DOI |
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関連識別子 |
10.1016/j.jenvrad.2023.107328 |
