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Method for Sr-90 Analysis in Environmental Samples Using Thermal Ionization Mass Spectrometry with Daly Ion-Counting System
https://repo.qst.go.jp/records/73402
https://repo.qst.go.jp/records/7340247b46c5f-89eb-4acf-b87d-fc184f603e3c
| Item type | 学術雑誌論文 / Journal Article(1) | |||||
|---|---|---|---|---|---|---|
| 公開日 | 2019-01-21 | |||||
| タイトル | ||||||
| タイトル | Method for Sr-90 Analysis in Environmental Samples Using Thermal Ionization Mass Spectrometry with Daly Ion-Counting System | |||||
| 言語 | ||||||
| 言語 | eng | |||||
| 資源タイプ | ||||||
| 資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
| 資源タイプ | journal article | |||||
| アクセス権 | ||||||
| アクセス権 | metadata only access | |||||
| アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
| 著者 |
Kavasi, Norbert
× Kavasi, Norbert× Kumar Sahoo, Sarata× Kavasi, Norbert× Sahoo, Sarata |
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| 抄録 | ||||||
| 内容記述タイプ | Abstract | |||||
| 内容記述 | In this work, a new 90Sr analysis method was developed using the Isotopx Ltd., Phoenix X62 thermal ionization mass spectrometer (TIMS). Excellent ion beam sensitivity was demonstrated with the detection of 1 mBq (0.2 fg) 90Sr on a Daly ion-counting system. The abundance sensitivity for the 90Sr/88Sr ratio was 2.1×10 10 and this could ensure measurement of 100 Bq·kg 1 (19 fg·g 1) 90Sr in an environmental sample with 100 µg·g 1 stable strontium concentration. For analytical method validation, 90Sr was determined in two certified reference materials e.g. wild berry (IRMM-426) and freshwater lake sediment (NIST-4354) for the first time in the history of TIMS. This mass spectrometry method is faster than conventional radiometric techniques; however, interference from 90Zr and peak tailing on the higher mass side from 88Sr must be considered for a reliable 90Sr determination. | |||||
| 書誌情報 |
Analytical Chemistry 巻 91, 号 4, p. 2964-2969, 発行日 2019-01 |
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| 出版者 | ||||||
| 出版者 | American Chemical Society | |||||
| ISSN | ||||||
| 収録物識別子タイプ | ISSN | |||||
| 収録物識別子 | 0003-2700 | |||||
| DOI | ||||||
| 識別子タイプ | DOI | |||||
| 関連識別子 | 10.1021/acs.analchem.8b05184 | |||||
