Anion Selective Electrode for High Performance Liquid Chromatography Detector Based on Oleophilic Anion-Exchange Resin Membrane

Sadayuki Koizumi, Toshihiko Imato, Nobuhiko Ishibashi

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

A system is described for the separate determination of anions using HPLC with a potentiometric detector based on an ion selective electrode (ISE). The ISE consists of an oleophilic anion-exchange resin membrane impregnated with an organic solvent. A sodium sulfate solution containing a trace level of a primary ion for the electrode was used as an eluent. Sensitivity and selectivity of the ISE detector varies with a solvent species imbibed in the detector membrane and an ionic form of the membrane. Chromatograms for oxyacid anions (IO3-, BrO3-, CIO3- and NO3-) are shown, and relationships between chromatographic sensitivity and selectivity coefficients of the ISE detector are discussed.

Original languageEnglish
Pages (from-to)319-325
Number of pages7
Journalanalytical sciences
Volume3
Issue number4
DOIs
Publication statusPublished - Jan 1 1987

All Science Journal Classification (ASJC) codes

  • Analytical Chemistry

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