Synergistic extraction of copper(II) from sulfate medium with capric acid and tri-n-octylphosphine oxide in chloroform

被引:14
作者
Adjel, F. [1 ]
Barkat, D. [1 ]
机构
[1] Biskra Univ, Fac Sci & Technol, Dept Ind Chem, Biskra 07000, Algeria
关键词
Solvent extraction; Copper(II); Capric acid; TOPO; Synergism; SOLVENT-EXTRACTION; CARBOXYLIC-ACIDS; NAPHTHENIC ACID; TRIOCTYLPHOSPHINE OXIDE; DIMERIZATION; EQUILIBRIUM; URANIUM(VI); DECANOATE; CONSTANTS; MECHANISM;
D O I
10.1080/00958972.2010.551400
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
The synergistic solvent extraction of copper(II) from 0.33 mol dm-3 Na2SO4 aqueous solutions with capric acid (HL) in the absence and presence of tri-n-octylphosphine oxide (TOPO) in chloroform at 25 degrees C has been studied. The extracted species when capric acid was used alone is CuL2(HL)2. In the presence of TOPO, the extracted complex is CuL2(HL)2(TOPO). The TOPO-HL interaction strongly influences the synergistic extraction efficiency. The extraction constants were calculated.
引用
收藏
页码:574 / 582
页数:9
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