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Concentration, soil-to-plant transfer factor and soil-soil solution distribution coefficient of selenium in the surface environment

https://repo.qst.go.jp/records/54159
https://repo.qst.go.jp/records/54159
ab41031d-8b34-4e28-aea8-68da3f183e70
Item type 会議発表論文 / Conference Paper(1)
公開日 2009-08-04
タイトル
タイトル Concentration, soil-to-plant transfer factor and soil-soil solution distribution coefficient of selenium in the surface environment
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_5794
資源タイプ conference paper
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 Uchida, Shigeo

× Uchida, Shigeo

WEKO 552974

Uchida, Shigeo

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Tagami, Keiko

× Tagami, Keiko

WEKO 552975

Tagami, Keiko

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Ishikawa, Nao

× Ishikawa, Nao

WEKO 552976

Ishikawa, Nao

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内田 滋夫

× 内田 滋夫

WEKO 552977

en 内田 滋夫

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田上 恵子

× 田上 恵子

WEKO 552978

en 田上 恵子

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石川 奈緒

× 石川 奈緒

WEKO 552979

en 石川 奈緒

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内容記述タイプ Abstract
内容記述 Of the major radioactive selenium isotopes, Se-79, a beta emitter with a half-life of about 1.1 million years, is of special interest because it is one of the most important radionuclides for the long-term dose assessment of radioactive waste disposal. This radionuclide can reach human beings through several transfer paths in the environment. To predict Se-79 behavior from the environment to human beings, it would be useful to obtain the following information: stable Se concentration in environmental samples; soil-soil solution distribution coefficient (Kd); and soil-to-plant transfer factor (TF). In the present study, stable Se concentrations in river water, soil and crop samples collected in Japan, Kds and TFs were obtained. The results showed that geometric mean (GM) concentrations of river water, soil and crops were 0.057 ug/L (range: <D.L.-1.17 ug/L), 0.43 mg/kg (range: 0.068-1.56 mg/kg-dry), and 0.015 mg/kg-dry (range: <D.L.-0.24 mg/kg-dry), respectively. GMs of Kds for paddy field soil and upland field soil samples were 116 and 67, respectively, whereas GMs of TFs for brown rice and upland field crops were 0.066 and 0.024, respectively. Probably due to longer growing period and different water management in the paddy fields for brown rice compared to those for upland field crops, the TF would be high in brown rice.
書誌情報 Waste Management Symposium Proceedings

巻 35, 号 9106, p. 1-15, 発行日 2009-08
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