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Chronopotentiometry of one- and two-ion transport at immiscible liquid interfaces

Authors
Journal
Journal of Electroanalytical Chemistry
0022-0728
Publisher
Elsevier
Publication Date
Volume
121
Identifiers
DOI: 10.1016/s0022-0728(81)80571-2

Abstract

Abstract Reversible one-ion and opposite-sign, two-ion univalent transfers from aqueous to organic phases (and the reverse processes) have been analyzed. Solutions of transport and interfacial potential difference equations are given in terms of concentration-distance-time profiles, potential difference vs. time chronopotentiograms and expressions for transition times when they exist. Six cases include supporting electrolyte and non-supporting electrolyte examples. One of these: two-ion, salt transport without supporting electrolyte is the Nernst-Riesenfeld example from which the ideas of electrosorption-desorption arise. Real systems investigated by Gavach and co-workers have received special emphasis.

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