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Solvent Extraction of Platinum(IV) from Aqueous Acidic Chloride Medium with Tri-n-octylamine in toluene
http://hdl.handle.net/10458/823
http://hdl.handle.net/10458/823a6331e27-e1c5-4baf-befb-cacc01bc3a52
| 名前 / ファイル | ライセンス | アクション |
|---|---|---|
KS_31.pdf (517.8 kB)
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| Item type | 学術雑誌論文 / Journal Article(1) | |||||||||||||
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| 公開日 | 2007-10-29 | |||||||||||||
| タイトル | ||||||||||||||
| タイトル | Solvent Extraction of Platinum(IV) from Aqueous Acidic Chloride Medium with Tri-n-octylamine in toluene | |||||||||||||
| 言語 | en | |||||||||||||
| 言語 | ||||||||||||||
| 言語 | eng | |||||||||||||
| キーワード | ||||||||||||||
| 言語 | en | |||||||||||||
| 主題Scheme | Other | |||||||||||||
| キーワード | Solvent extraction, Platinum, tri-n-octylamine, Extraction equilibrium | |||||||||||||
| 資源タイプ | ||||||||||||||
| 資源タイプ | journal article | |||||||||||||
| 著者 |
吉澤, 秀和
× 吉澤, 秀和× 塩盛, 弘一郎
WEKO
5570
× Yamada, Shuji× 馬場, 由成× Kawano, Yoshinobu× Kondo, Kazuo× Hatate, Yasuo× Ijichi, Kazuya |
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| 抄録 | ||||||||||||||
| 内容記述タイプ | Abstract | |||||||||||||
| 内容記述 | The extraction and stripping equilibria of platinum（IV） between acidic chloride media and tri-n-octylamine （TOA） in toluene were investigated at 303 K. Furthermore, the stripping of platinum（IV） with aqueous sodium hydroxide solution was also investigated. The experimental results are explained by a reversible reaction between the complex of TOA with hydrochloric acid and the hexachloro complex of platinum（IV）, PtCl62-, to form the complex （TOA瓸）2PtCl6 in toluene. At low TOA and high hydrochloric acid concentrations, the extracted platinum（IV） in toluene was quantitatively recovered by using aqueous hydrochloric acid solution. The extraction equilibrium constant was determined to be 1.8x106. The stripping of platinum（IV） with aqueous sodium hydroxide solution was easily performed. Complete stripping was achieved using an aqueous solution of sodium hydroxide, for which the molecular ratio to TOA-hydrochloric acid complexes was greater then unity. | |||||||||||||
| 言語 | en | |||||||||||||
| 書誌情報 |
en : Solvent Extraction Research and Development, Japan 巻 4, p. 157-166, 発行日 1997-05 |
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| 出版者 | ||||||||||||||
| 出版者 | Japanese Association of Solvent Extraction | |||||||||||||
| 言語 | en | |||||||||||||
| 出版者 | ||||||||||||||
| 出版者 | 日本溶媒抽出学会 | |||||||||||||
| 言語 | ja | |||||||||||||
| 書誌レコードID | ||||||||||||||
| 収録物識別子タイプ | NCID | |||||||||||||
| 収録物識別子 | AA11114608 | |||||||||||||
| 著者版フラグ | ||||||||||||||
| 出版タイプ | AM | |||||||||||||
