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Can I-129 track Cs-135, U-236, Pu-239, and Pu-240 apart from I-131 in soil samples from Fukushima Prefecture, Japan?
http://hdl.handle.net/10129/00006517
http://hdl.handle.net/10129/000065177fb2d2d2-2653-4b5b-b52c-72c3de402946
名前 / ファイル | ライセンス | アクション |
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s41598-017-15369 (1.5 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2019-03-05 | |||||
タイトル | ||||||
タイトル | Can I-129 track Cs-135, U-236, Pu-239, and Pu-240 apart from I-131 in soil samples from Fukushima Prefecture, Japan? | |||||
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 | |||||
著者 |
Yang, Guosheng
× Yang, Guosheng× Tazoe, Hirofumi× Yamada, Masatoshi |
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著者所属 | ||||||
Hirosaki Univ, Inst Radiat Emergency Med, Dept Radiat Chem | ||||||
著者所属 | ||||||
Hirosaki Univ, Inst Radiat Emergency Med, Dept Radiat Chem | ||||||
著者所属 | ||||||
Hirosaki Univ, Inst Radiat Emergency Med, Dept Radiat Chem | ||||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | In the present study, I-129 activities and I-129/I-127 atom ratios were measured in 60 soil samples contaminated by the Fukushima Daiichi Nuclear Power Plant (FDNPP) accident. The I-127 concentrations, I-129 activities, and I-129/I-127 atom ratios in dry-weight were observed to be 0.121-23.6 mg kg(-1), 0.962-275 mBq kg(-1), and (0.215-79.3) x 10(-7), respectively. The maximum values of both I-129 activities and I-129/I-127 atom ratios in Japanese soil increased about three orders of magnitude due to this accident. The equation logy = 0.877logx + 0.173 (Pearson's r = 0.936; x, I-129 concentration; y, I-131 concentration; decay-corrected to March 11, 2011) instead of a simple constant may be a better way to express the relationship between I-129 and I-131 in Japanese soil affected by both global fallout and FDNPP accident fallout. In addition, a moderate correlation was observed between I-129 and Cs-135 (logy = 0.624logx + 1.01, Pearson's r = 0.627; x, I-129 activity; y, Cs-135 activity). However, I-129 presented larger fractionations with less volatile radionuclides, such as U-236, Pu-239, and Pu-240. These findings indicated Cs-135 could be roughly estimated from I-129 or I-131; this is advantageous as fewer Cs-135 data are available and Cs-135/Cs-137 is being considered a promising tracer during radiocesium source identification. | |||||
書誌情報 |
SCIENTIFIC REPORTS 巻 7, p. 15369, 発行日 2017-11-13 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 2045-2322 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1038/s41598-017-15714-w | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
資源タイプ | ||||||
値 | Article |