書誌事項
- タイトル別名
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- Solvent extraction of cadmium by di (2-ethylhexyl) phosphoric acid.
- D2EHPA ニ ヨル Cd2 + ノ チュウシュツ
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説明
Studies were conducted on the equilibrium and reaction kinetics for the extraction of cadmium from aqueous chloride solutions by di (2-ethylhexyl) phosphoric acid (D2EHPA) in n-heptane, kerosene, toluene and m-xylene as diluents. Distribution ratios for the paraffinic hydrocarbon solvents are considerably higher than those for the aromatic ones; it was found that the extractable species is CdR2.3HR for n-heptane and CdR2.4HR for the aromatics. The equilibrium constants for the respective extraction reactions were also determined by taking into account the overall stability constants of cadmium chloride complex in aqueous solution.<BR>The extraction rates of cadmium by D2EHPA in n-heptane as the diluent were obtained using a stirred vessel with a plane interface. The initial extraction rate is proportional to the total concentrations of cadmium in the aqueous phase and of D2EHPA in the organic phase, and inversely proportional to hydrogen ion concentration. The reaction mechanism is also discussed.
収録刊行物
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- 化学工学論文集
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化学工学論文集 11 (6), 628-633, 1985
公益社団法人 化学工学会
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詳細情報 詳細情報について
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- CRID
- 1390001204507676160
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- NII論文ID
- 130000862876
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- NII書誌ID
- AN00037234
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- ISSN
- 13499203
- 0386216X
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- NDL書誌ID
- 3056663
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可