Sorption selectivity of cobalt(II), nickel(II), and copper(II) ions by KB-2E macroreticular carboxylic cation exchanger from aqueous-salt solutions of alkali metals

被引：2
|
作者：
Bobkova, L. A. [1 ]
Kozik, V. V. [1 ]
Odnostorontseva, T. V. [1 ]
Petrova, V. V. [1 ]
机构：
[1] Natl Res Tomsk State Univ, Tomsk, Russia
来源：
RUSSIAN JOURNAL OF APPLIED CHEMISTRY | 2012年 / 85卷 / 07期
关键词：
Cation Exchanger; Sorption Isotherm; Endothermic Effect; Carboxy Group; Scanning Electron Microscopic Data;
D O I：
10.1134/S1070427212070105
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
Sorption selectivity of copper(II), nickel(II), and cobalt(II) ions by KB-2E macroreticular carboxylic cation exchanger in the Na-form from dilute solutions was studied in the target concentration range (0.52.6) 103 M. The equilibrium distribution coefficients of Co2+, Ni2+, and Cu2+ were calculated. The role played by hydration of ions in their sorption by KB-2E cation exchangers is analyzed with consideration for IR spectroscopic, thermal analysis, and scanning electron microscopic data.
引用
收藏
页码：1052 / 1058
页数：7
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