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BIFUNCTIONALITY AS A MEANS OF ENHANCING COMPLEXATION KINETICS IN SELECTIVE ION-EXCHANGE RESINS

被引：38
作者：
ALEXANDRATOS, SD
HUSSAIN, LA
机构：
[1] University of Tennessee, Department of Chemistry, Knoxville
来源：
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH | 1995年 / 34卷 / 01期
关键词：
D O I：
10.1021/ie00040a026
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
Bifunctionality, and the coupling of an access mechanism to a recognition mechanism, is proposed as a new method for the synthesis of high capacity polymer-supported reagents with enhanced selectivity and ion complexation kinetics. Partially sulfonating a phosphinated polystyrene matrix increases the Eu(III) distribution coefficient from 61.8 to 220.5 at a 30 min contact time in a 1 N nitric acid solution.
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页码：251 / 254
页数：4
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