The effect of diluents on extraction of copper(II) with di(2-ethylhexyl)phosphoric acid

被引：31
|
作者：
Ghebghoub, F. [1 ]
Barkat, D. [1 ]
机构：
[1] Univ Biskra, Dept Chim Ind, Fac Sci & Sci Ingenieur, Biskra, Algeria
来源：
JOURNAL OF COORDINATION CHEMISTRY | 2009年 / 62卷 / 09期
关键词：
liquid-liquid extraction; copper(II); di(2-ethylhexyl)phosphoric acid; diluent effect; LIQUID-LIQUID-EXTRACTION; ORGANOPHOSPHORUS EXTRACTANTS; SOLVENT-EXTRACTION; PHOSPHORIC-ACID; SULFATE; MEDIA; SALICYLIDENEANILINE; METALS; NICKEL;
D O I：
10.1080/00958970802588265
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
The liquid-liquid extraction of copper(II) from sulfate medium with di(2-ethylhexyl)phosphoric acid (D2EHPA, HL) at 25C is studied with the following parameters: pH, concentration of the extractant, and the nature of diluent. The effect of the diluent using polar and nonpolar solvents in the extraction of copper(II) is discussed. The extracted copper(II) species were CuL2 in 1-octanol and methyl isobutyl ketone and CuL2 2HL in toluene, carbon tetrachloride, and cyclohexane. The extraction constants are evaluated for different diluents.
引用
收藏
页码：1449 / 1456
页数：8
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