Extraction of thorium(IV) and europium(III) by a phosphorylated calix[4]arene in dichloromethane

被引：26
|
作者：
Yaftian, M. R.
Razipour, M. R.
Matt, D.
机构：
[1] Zanjan Univ, Fac Sci, Dept Chem, Zanjan, Iran
[2] Univ Strasbourg 1, CNRS, UMR 7513, Lab Chim Inorgan Mol, F-67008 Strasbourg, France
来源：
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY | 2006年 / 270卷 / 02期
关键词：
D O I：
10.1007/s10967-006-0357-5
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
The extractive properties of 5,11,17,23-tetra-tert-butyl-25,26,27,28-tetrakis(diphenylphosphinoylmethoxy)calix[4]arene towards thorium(IV) and europium(III) ions are studied. The conventional log-log analysis of the extraction data reveals that the stoichiometry of the extracted species is 1 : 1 metal ion to ligand ratio for the two metals. The effects of ligand concentration, types of diluent and concentration of the salting-out agents are investigated and discussed. The selectivity of the ligand for thorium and europium ions versus Mn2+, Pb2+, Cd2+, Fe2+, Ni2+ and Co2+ is examined.
引用
收藏
页码：357 / 361
页数：5
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