Solvent-impregnated resins via acid-base interaction of poly(4-vinylpyridine) resin and di(2-ethylhexyl) dithiophosphoric acid.

被引：30
作者：
Warshawsky, A
Strikovsky, AG
Jerabek, K
Cortina, JL
机构：
[1] INST CHEM PROC FUNDAMENTALS, PRAGUE 16502, CZECH REPUBLIC
[2] UNIV POLITECN CATALUNYA, DEPT ENGN QUIM, E-08028 BARCELONA, SPAIN
来源：
SOLVENT EXTRACTION AND ION EXCHANGE | 1997年 / 15卷 / 02期
关键词：
D O I：
10.1080/07366299708934478
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The immobilization of a strong metal chelator di(2-ethylhexyl) dithiophosphoric acid (DEHTPA) on poly(4-vinylpridine) macroporous resin (Reillex (TM) HP and Reillex (TM) 425) has been investigated DEHTPA (ligand) adsorption mechanism was proposed on the basis of the SIR morphology and IR spectrophotometry study. Analysis of the ligand distribution between the poly(4-vinylpyridine) support and the aqueous phase was performed using curve-fitting computerized method. Equilibrium constants characterizing the DEHTPA-pyridine group interaction have been evaluated. Pore volume increase, due to this interaction, are noted. Preliminary metal extraction studies were performed.
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页码：259 / 283
页数：25
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