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

被引：0
|
作者：
M. R. Yaftian
M. R. Razipour
D. Matt
机构：
[1] Department of Chemistry,
[2] Faculty of Science,undefined
[3] Zanjan University,undefined
[4] Department of Chemistry,undefined
[5] Faculty of Science,undefined
[6] Zanjan University,undefined
[7] Laboratoire de Chimie Inorganique Moléculaire,undefined
[8] Université Louis Pasteur,undefined
来源：
Journal of Radioanalytical and Nuclear Chemistry | 2006年 / 270卷
关键词：
Thorium; NASH; Sodium Nitrate; Extraction Percentage; Extractive Property;
D O I：
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中图分类号：
学科分类号：
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.
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页码：357 / 361
页数：4
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