One Step Effective Separation of Platinum and Palladium in an Acidic Chloride Solution by Using Undiluted Ionic Liquids
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- YANG Jian
- Department of Applied Chemistry, Graduate School of Engineering, Kyushu University
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- KUBOTA Fukiko
- Department of Applied Chemistry, Graduate School of Engineering, Kyushu University
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- BABA Yuzo
- Department of Applied Chemistry, Graduate School of Engineering, Kyushu University
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- KAMIYA Noriho
- Department of Applied Chemistry, Graduate School of Engineering, Kyushu University Center for Future Chemistry, Kyushu University
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- GOTO Masahiro
- Department of Applied Chemistry, Graduate School of Engineering, Kyushu University Center for Future Chemistry, Kyushu University
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抄録
Imidazolium-based ionic liquids (ILs) with Tf2N- as anions were studied as extractants without dilution for the extractive separation of platinum and palladium in an acidic chloride solution. The effect of the alkyl chain length on the extraction performance was evaluated and, based on the performance, the IL, 1-methyl-3-octylimidazolium bis(trifluoromethylsulfonyl)imide ([Omim][Tf2N]), was selected to be studied in detail. The extraction of Pt(IV) underwent little change over the HCl concentration studied, while that of Pd(II) decreased with increasing HCl concentration. The separation of Pt(IV) and Pd(II) was highly effective, and the highest separation factor between Pt(IV) and Pd(II) reached 312 at the optimum conditions in a binary component system composed of Pt(IV) and Pd(II). The effect of the initial Pt(IV) concentration on loading capacity and extraction efficiency of Pt(IV) was also investigated.
収録刊行物
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- Solvent Extraction Research and Development, Japan
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Solvent Extraction Research and Development, Japan 21 (2), 129-135, 2014
日本溶媒抽出学会
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詳細情報 詳細情報について
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- CRID
- 1390282680717846400
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- NII論文ID
- 130004669671
- 40020056614
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- NII書誌ID
- AA11114608
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- ISSN
- 21884765
- 13417215
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- NDL書誌ID
- 025441198
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
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- 使用不可