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Distribution coefficient of selenium in Japanese agricultural soils
https://repo.qst.go.jp/records/68372
https://repo.qst.go.jp/records/6837217eabe0f-5883-477c-93a3-0ec1b9ce03d5
Item type | 会議発表用資料 / Presentation(1) | |||||
---|---|---|---|---|---|---|
公開日 | 2006-06-05 | |||||
タイトル | ||||||
タイトル | Distribution coefficient of selenium in Japanese agricultural soils | |||||
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 |
Nakamaru, Yasuo
× Nakamaru, Yasuo× Tagami, Keiko× Uchida, Shigeo× 中丸 康夫× 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 | The soil/soil solution distribution coefficient (Kd) of selenium (Se) was measured by the batch technique using 58 Japanese agricultural soils in order to evaluate Se migration behavior. Soils used were air-dried and passed through a 2-mm mesh sieve. Three gram amounts of each soil were transferred into a plastic bottle and 30 mL of deionized water were added to the soil. Prior to adding 75Se, a radioactive tracer of Se, the mixture was shaken for 24 h using an end-over-end shaker. Seven days after the addition of 75Se tracer, the soil solution was separated by centrifugation and filtration. Activity was measured with a NaI (Tl) autowell scintillation counter, and Kd-Se values were calculated. For the agricultural soils, the Kd-Se values ranged from 12 to 1060. Among the soil groups, Andosols had higher Kd-Se values. All the Kd-Se values were significantly correlated with acid oxalate extractable Al (Alo) and Fe (Feo) at the 0.1% level. Alo and Feo content refer to the amount of active-Al and active-Fe. These results indicated that the active-Al and the active-Fe were the major adsorbents of Se in Japanese agricultural soils. |
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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 | International Symposium on Radioecology and Environmental Dosimetry | |||||
発表年月日 | ||||||
日付 | 2003-10-24 | |||||
日付タイプ | Issued |