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首页> 外文期刊>Journal of Molecular Liquids >Solvent extraction of trivalent europium and americium into nitrobenzene by using a synergistic mixture of hydrogen dicarbollylcobaltate and bis(diphenylphosphino)acetylene dioxide
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Solvent extraction of trivalent europium and americium into nitrobenzene by using a synergistic mixture of hydrogen dicarbollylcobaltate and bis(diphenylphosphino)acetylene dioxide

机译：通过使用二碳铝硼酸氢盐和双（二苯基膦基）乙炔二氧化物的协同混合物将三价euro和a溶剂萃取到硝基苯中

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摘要

Extraction of microamounts of europium and americium by a nitrobenzene solution of hydrogen dicarbollylcobaltate (H+B-) in the presence of bis(diphenylphosphino)acetylene dioxide (DPPADO, L) was investigated. The equilibrium data were explained assuming that the species HL+, ML3+, ML23+, and ML33+ (M3+ = Eu3+, Am3+) are extracted into the organic phase. The values of extraction and stability constants of the complex species in nitrobenzene saturated with water were determined. It was found that the stability constants of the corresponding complexes EuLn3+ and AmLn3+, where n = 1,2,3 and L is DPPADO, in water-saturated nitrobenzene are comparable or the same, respectively. (C) 2016 Elsevier B.V. All rights reserved.
机译：研究了在双（二苯基膦基）乙炔二氧化物（DPPADO，L）存在下，用二碳碳铝硼酸盐（H + B-）的硝基苯溶液萃取微量and和a的方法。假设将HL +，ML3 +，ML23 +和ML33 +（M3 + = Eu3 +，Am3 +）萃取到有机相中，解释了平衡数据。测定了在水饱和的硝基苯中络合物的萃取值和稳定常数。发现在水饱和的硝基苯中，相应的配合物EuLn3 +和AmLn3 +（其中n = 1,2,3，L为DPPADO）的稳定常数分别可比较或相同。 （C）2016 Elsevier B.V.保留所有权利。

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