| 二(2-乙基己基)膦酸对镉(Ⅱ)、钴(Ⅱ)和镍(Ⅱ)的萃取平衡 |
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| 引用本文： | 姚秉华,永长幸雄,佐竹正忠.二(2-乙基己基)膦酸对镉(Ⅱ)、钴(Ⅱ)和镍(Ⅱ)的萃取平衡[J].应用化学,1999,16(3):25-0. |
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| 作者姓名： | 姚秉华 永长幸雄 佐竹正忠 |
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| 作者单位： | 西安理工大学，福井大学 |
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| 摘 要： | 溶剂萃取;二(乙基己基)膦酸;二(2-乙基己基)膦酸对镉(Ⅱ)、钴(Ⅱ)和镍(Ⅱ)的萃取平衡
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| 关 键 词： | 溶剂萃取 二(乙基己基)膦酸 二(2-乙基己基)膦酸对镉(Ⅱ)、钴(Ⅱ)和镍(Ⅱ)的萃取平衡 |
| 收稿时间： | 2009-06-29 |
| 修稿时间： | 2009-06-29 |
Study on the Extraction Equilibria of Cd(), Co() and Ni() with Bis( 2ethylhexyl)phosphonic Acid |
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| Yao Binghua.Study on the Extraction Equilibria of Cd(), Co() and Ni() with Bis( 2ethylhexyl)phosphonic Acid[J].Chinese Journal of Applied Chemistry,1999,16(3):25-0. |
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| Authors: | Yao Binghua |
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| Institution: | Yao Binghua* |
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| Abstract: | The extraction equilibria of Cd(), Co() and Ni() using a Naphtezol M solution containing bis(2ethylhexyl)phosphonic acid(PIA8,HL) have been investigated in 10 mol/L (NH4)2SO4 (298 K). The oligomerization number, stoichiometry and conditional extraction constants of the extracted species were determined. The results indicated that the metal ions as monomeric species: CdL23HL and CdL24HL for Cd(), CoL2HL and CoL23HL for Co(), and NiL23HL and NiL25HL for Ni() were extracted into Naphtezol M phase. |
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| Keywords: | cadmium cobalt nickel solvent extraction bis(ethylhexyl)phosphinic acid |
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