Sorption of Plutonium on a Biotite Mineral
スポンサーリンク
概要
- 論文の詳細を見る
It is necessary to obtain the data of some parameters concerning migration behavior of radionuclides in underground water for the safety assessment of radioactive waste disposal. Sorption and desorption experiments were carried out by using tracer amount of plutonium on biotite in a granitic rock. In this study, pH dependence of distribution coefficients of plutonium on a biotite mineral were measured. The following results are obtained; (1) The biotite has the pH buffer capacity at around pH 5. (2) Plutonium sorption rate was fast around pH 6 but slow at lower pH than 5. (3) The 95 percent of plutonium was sorbed on biotite at around pH 5. (4) The 10 to 30 percent of sorbed plutonium in biotite was desorbed with 1N KCl, the 50 to 60 percent with 1N HN0_3. (5) The rest of plutonium sorbed in biotite could not be desorbed even with 1N HN0_3. (6) The neutral plutonyl hydroxide could be an important species sorbed on the biotite.sorptionplutoniumbiotite
- 東北大学の論文
- 1997-03-28
著者
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Sasaki T.
Dept. Of Perinato-gynecology Kagawa Medical School
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FURUYA H.
Dept. Obst. & Gynec., Juntendo Univ. Sch. Med.
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Mitsugashira S
The Oharai Branch Inst. Mat. Res. Tohoku Univ.
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Idemitsu K.
Dept. Nuclear Eng., Kyushu Univ.
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Inagaki Y.
Dept. Nuclear Eng., Kyushu Univ.
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Arima T.
Dept. Nuclear Eng., Kyushu Univ.
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Kuroda Y.
Dept. Nuclear Eng., Kyushu Univ.
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Uchikawa S.
Dept. Nuclear Eng., Kyushu Univ.
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Mitsugashira S.
The Oharai Branch, Inst. Mat. Res., Tohoku Univ.
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Suzuki Y.
The Oharai Branch, Inst. Mat. Res., Tohoku Univ.
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Idemitsu K.
Dept. Nuclear Eng. Kyushu Univ.
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Furuya H.
Dept. Nuclear Eng. Kyushu Univ.
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Inagaki Y.
Dept. Nuclear Eng. Kyushu Univ.
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Uchikawa S.
Dept. Nuclear Eng. Kyushu Univ.
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