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The Chemistry of Protactinium : XI. A Study of the Solvent Extraction of Protactinium(IV) Reduced with Europium(II) from a Perchloric Acid Solution, Using Thenoyltrifluoroacetone as the Extractant(Chemistry)
http://hdl.handle.net/10097/27844
http://hdl.handle.net/10097/278446d20d097-6ce0-4b95-ac98-5b0733f9c286
| 名前 / ファイル | ライセンス | アクション |
|---|---|---|
KJ00004198322.pdf (60.7 kB)
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| Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||
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| 公開日 | 2008-05-02 | |||||
| タイトル | ||||||
| タイトル | The Chemistry of Protactinium : XI. A Study of the Solvent Extraction of Protactinium(IV) Reduced with Europium(II) from a Perchloric Acid Solution, Using Thenoyltrifluoroacetone as the Extractant(Chemistry) | |||||
| 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 | departmental bulletin paper | |||||
| 著者 |
KAWASUJI, Isamu
× KAWASUJI, Isamu× SATO, Akiko× SUZUKI, Shin |
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| 抄録 | ||||||
| 内容記述タイプ | Abstract | |||||
| 内容記述 | Europium(II) was found to be an excellent reductant for reducing protactinium in microquantities to the tetravalent state. The behavior of Pa(IV) in the perchloric acid solution was investigated by the TTA-benzene extraction method. It was found that the PaOH^<3+> ion existed predominantly in a 0.03-3 M perchloric acid solution at the ionic strength of 3. The reaction of TTA extraction may proceed as : PaOH^<3+>+4HA = PaA_4+H_2O+3H^+ or PaOH^<3+>+4HA = Pa(OH)A_3(HA)+3H^+ The distribution ratio of Pa(IV) in the system using Eu(II) as the reductant is about ten times as large as that in the system using Cr(II) as the reductant. It was considered that a non-extractable complex may be formed between Pa(IV) and Cr(III), while such a complex may not be formed when Eu(II) is used as the reductant. | |||||
| 書誌情報 |
Science reports of the Research Institutes, Tohoku University. Ser. A, Physics, chemistry and metallurgy 巻 26, p. 183-183, 発行日 1976 |
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| ISSN | ||||||
| 収録物識別子タイプ | ISSN | |||||
| 収録物識別子 | 00408808 | |||||
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| 収録物識別子タイプ | NCID | |||||
| 収録物識別子 | AA00836167 | |||||
| フォーマット | ||||||
| 内容記述タイプ | Other | |||||
| 内容記述 | application/pdf | |||||
| 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 | |||||
| 出版者 | ||||||
| 出版者 | Tohoku University | |||||
| 資源タイプ | ||||||
| 内容記述タイプ | Other | |||||
| 内容記述 | 紀要類(bulletin) | |||||
| 登録日 | ||||||
| 日付 | 2008-05-02 | |||||
| 日付タイプ | Created | |||||
| 公開日（投稿完了日） | ||||||
| 日付 | 2008-05-02 | |||||
| 日付タイプ | Created | |||||
| 発行日 | ||||||
| 日付 | 1976 | |||||
| 日付タイプ | Created | |||||
| フォーマット | ||||||
| 内容記述タイプ | Other | |||||
| 内容記述 | 60702 bytes | |||||
| 更新日 | ||||||
| 日付 | 2010-01-27 | |||||
| 日付タイプ | Created | |||||
