The sorption of thiocyanate ions on complex-forming ionites

被引：1
|
作者：
Kononova, O. N. [1 ]
Goryaeva, N. G. [1 ]
Kononov, Yu. S. [2 ]
机构：
[1] Siberian Fed Univ, Inst Nonferrous Met & Mat Sci, Krasnoyarsk, Russia
[2] Russian Acad Sci, Inst Chem & Chem Technol, Siberian Div, Krasnoyarsk, Russia
来源：
RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY A | 2011年 / 85卷 / 06期
关键词：
sorption; ligands; thiocyanate ions; complex formation; ionites; ionic strength; IR spectroscopy; stability constants; LIGAND-EXCHANGE; SEPARATION;
D O I：
10.1134/S0036024411060197
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The ligand sorption of thiocyanate ions on several complex-forming ionites was studied. The ionites were preliminarily transformed into metal forms by saturation with copper(II) ions. ANKB-2 amphoteric ionite in the Cu form had the strongest affinity for thiocyanate ions. The optimum conditions for their extraction were pH similar to 2 and solution ionic strength 1. IR spectroscopy was used to study the ligand sorption of SCN(-) ions by ANKB-2 ionite in the Cu form. The stability constants of thiocyanate ionite copper complexes were calculated from formation function (n) over bar.
引用
收藏
页码：1041 / 1046
页数：6
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