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Effect of ashing temperature on accurate determination of plutonium in soil samples
https://repo.qst.go.jp/records/65773
https://repo.qst.go.jp/records/65773f482aac7-d4db-4379-9de6-1696b44be7c4
Item type | 会議発表用資料 / Presentation(1) | |||||
---|---|---|---|---|---|---|
公開日 | 2015-09-28 | |||||
タイトル | ||||||
タイトル | Effect of ashing temperature on accurate determination of plutonium in soil samples | |||||
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_c94f | |||||
資源タイプ | conference object | |||||
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 |
王, 鍾堂
× 王, 鍾堂× 楊, 国勝× 鄭, 建× 曹, 立国× 尉, 海軍× 朱, 彥北× 田上, 恵子× 内田, 滋夫× 王 鍾堂× 楊 国勝× 鄭 建× 曹 立国× 田上 恵子× 内田 滋夫 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | In this study, two standard reference soils (IAEA-soil-6 and IAEA-375) were used to investigate the ashing temperature effect (from 375 to 600˚C) on HNO3 leaching method for the determination of Pu in soil samples. The Pu analytical results of both standard reference materials showed that lower 239+240Pu activity was observed when the ashing temperature exceeded 450˚C, and the 239+240Pu activity continue to decrease as the ashing temperature was raised. Approximately 40% of the Pu content could not be leached out by concentrate HNO3 after ashing for 4 h at 600˚C. The Pu loss was attributed to the formation of refractory materials, which are insoluble in HNO3 solution. To ensure the Pu release efficiency in HNO3 leaching, we recommend 450˚C as the ideal ashing temperature. | |||||
会議概要(会議名, 開催地, 会期, 主催者等) | ||||||
内容記述タイプ | Other | |||||
内容記述 | 2015 日本放射化学会年会・第59 回放射化学討論会 | |||||
発表年月日 | ||||||
日付 | 2015-09-25 | |||||
日付タイプ | Issued |