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Updated: Jun 28, 2026

Merging Ion Concentration Polarization between Juxtaposed Ion Exchange Membranes to Block the Propagation of the Polarization Zone
Published on: February 23, 2017
Potential response of liquid ion-exchange membrane electrodes with a weak-acid anion as primary ion, and its
1Institute of Analytical Chemistry, Czechoslovak Academy of Sciences, Leninova 82, 611 42 Brno, Czechoslovakia.
Abstract:
The potential of a liquid ion-exchange membrane electrode with a weak-acid primary anion has been studied in the pH range 1-12. A mathematical model has been designed for describing the dependence of the potential on pH and including changes of the activity of the primary anion A(-) (of a mono- or dibasic acid) in a test solution, extraction of the membrane ion-exchanger into the test solution by protonation in the acidic region, interference by HSO(-)(4) during adjustment of pH with sulphuric acid.
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