Inorganic Salts Trapped In Neutral Carrier Ion-Selective Electrode Membranes Form Ion-Exchange Sites

G. Horvai, V. Horváth, A. Farkas, E. Pungor

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

Deliberately acred hydrophilic salt contaminations behave as ion-exchange sites in the plasticized PVC membrane of a neutral carrier ion-selective electrode. The added salt does not influence the potentiometric performance of the membrane. Since the membrane without added salt is itself an ion-exchanger, its ion-exchange capacity may be linked to ionizable hydrophilic impurities.

Original languageEnglish
Pages (from-to)2165-2175
Number of pages11
JournalAnalytical Letters
Volume21
Issue number12
DOIs
Publication statusPublished - Dec 1 1988

Keywords

  • Ion-selective electrode
  • ion exchange selectivity

ASJC Scopus subject areas

  • Analytical Chemistry
  • Biochemistry
  • Spectroscopy
  • Clinical Biochemistry
  • Biochemistry, medical
  • Electrochemistry

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