Complexing properties of cation-exchangers grafted with carboxyl moieties

被引：0
|
作者：
Ivanov A.V. [1 ]
Smirnova N.Yu. [1 ]
Vakshtein M.S. [1 ]
Chernyshev I.A. [1 ]
机构：
[1] Analytical Chemistry Department,
来源：
Moscow University Chemistry Bulletin | 2007年 / 62卷 / 3期
基金：
俄罗斯基础研究基金会;
关键词：
Sorption Capacity; High Sorption Capacity; Carboxyl Moiety; Borate Buffer Solution; Batch Sorption Experiment;
D O I：
10.3103/S0027131407030066
中图分类号：
学科分类号：
摘要：
The complexing properties of CM-52, Olvagel-COOH, MacroPrep 50 CM, and hypercrosslinked polystyrene MN (carboxyl-grafted sorbents) toward Cu 2+, Co2+, Ni2+, Cd2+, Zn 2+, Mn2+, and Pb2+ have been studied. The optimal parameters for the sorption of these metal ions from solution have been determined. The pH effect on the ion uptake has been studied. The uptake is maximal at pHs higher than 5-6. When pH is lower than 2, the indicated ions are quantitatively desorbed. Olvagel-COOH is most selective toward these ions. © 2007 Allerton Press, Inc.
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页码：139 / 143
页数：4
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