UPTAKE OF METAL-IONS BY A NEW CHELATING ION-EXCHANGE RESIN .2. ACID DEPENDENCIES OF TRANSITION AND POSTTRANSITION METAL-IONS

被引:58
作者
CHIARIZIA, R
HORWITZ, EP
GATRONE, RC
ALEXANDRATOS, SD
TROCHIMCZUK, AQ
CRICK, DW
机构
[1] ARGONNE NATL LAB,DIV CHEM,ARGONNE,IL 60439
[2] UNIV TENNESSEE,DEPT CHEM,KNOXVILLE,TN 37996
关键词
D O I
10.1080/07366299308918196
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Diphonix(TM) is a new dual-mechanism polyfunctional resin containing sulfonic and gem-diphosphonic acid groups. In Part 1 of this series the effectiveness of Diphonix in removing actinide ions from very acidic solutions was demonstrated. In this paper we report on the uptake of various transition and post-transition metal ions with Diphonix and two other resins for comparison. The results show that Diphonix has a very high affinity for Fe(III) and Cr(III) in very acidic solutions. From neutral solutions Diphonix exhibits a high selectivity for lead and transition metals over calcium Conditions for efficient stripping of the investigated ions have been found.
引用
收藏
页码:967 / 985
页数:19
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