Extraction of copper(II) ions from ammonia solutions with a β-diketone extractant

被引：1
|
作者：
Chekmarev, A. M. [1 ]
Kondratyeva, E. S. [1 ]
Kolesnikov, V. A. [1 ]
Gubin, A. F. [1 ]
机构：
[1] Mendeleev Univ Chem Technol Russia, Miusskaya Pl 9, Moscow 125047, Russia
来源：
DOKLADY CHEMISTRY | 2016年 / 470卷
关键词：
SOLVENT-EXTRACTION;
D O I：
10.1134/S0012500816090056
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The extraction of copper(II) ions from ammonia solutions with a new beta-diketone extractant, DX-510A, has been studied. Kinetic features of the copper(II) extraction and back extraction have been established: the reaction orders have been determined, and extraction and stripping rate constants have been calculated to be k (e1) = 4.14 x 10(-2) s(-1) and k (be1) = 3.20 x 10(-2) s(-1), respectively. It has been demonstrated that the extraction of copper(II) ions is not accompanied by the coextraction of ammonia. The type of extracted complex has been determined and its formula has been suggested.
引用
收藏
页码：260 / 263
页数：4
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