Novel anion exchanger based on poly(styrene-divinylbenzene) with grafted glycidyl methacrylate
Abstract
In this work novel anion exchanger based on a copolymer of styrene and divinylbenzene with grafted glycidyl methacrylate was obtained as a result of one-stage treatment with dimethylethanolamine. The synthesized resin has an average degree of hydrophilization and is suitable for operation in suppressed ion chromatography using the simplest equipment with a carbonate buffer solution as an eluent. Obtained by simple synthesis anion exchanger can compete with commercial columns due to the rapid separation of model anion mixtures. Thus, a mixture of 7 standard anions can be separated in 9 min; a mixture of 7 standard anions and 5 oxyanions (selenite (or arsenate), selenate, tungstate, molybdate, chromate) in 19 min; a mixture of 7 standard anions and 3 divalent organic acids (tartrate, oxalate, maleate) in 11 min. As a result, the resin has been successfully applied to the analysis of such samples as drinking water, carbonated beverage, and mouthwash.
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References
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