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interfacial concentration, c

in electrochemistry
The interfacial concentration c B , e (or simply c e) of a species B is the concentration of that species at the boundary of the electrical double-layer facing the solution, i.e. just outside the region where the departures from the electroneutrality of the solution are significant. This concept is mainly used in the usual case where the thickness of the electric double layer is very small as compared to that of the diffusion layer. It is often calculated from theory or derived from measurements of the limiting current.
Source:
PAC, 1981, 53, 1827 (Nomenclature for transport phenomena in electrolytic systems) on page 1837
See also:
PAC, 1980, 52, 233 (Electrode reaction orders, transfer coefficients and rate constants. Amplification of definitions and recommendations for publication of parameters) on page 236
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IUPAC. Compendium of Chemical Terminology, 2nd ed. (the "Gold Book"). Compiled by A. D. McNaught and A. Wilkinson. Blackwell Scientific Publications, Oxford (1997). XML on-line corrected version: http://goldbook.iupac.org (2006-) created by M. Nic, J. Jirat, B. Kosata; updates compiled by A. Jenkins. ISBN 0-9678550-9-8. https://doi.org/10.1351/goldbook.
Last update: 2014-02-24; version: 2.3.3.
DOI of this term: https://doi.org/10.1351/goldbook.I03083.
Original PDF version: http://www.iupac.org/goldbook/I03083.pdf. The PDF version is out of date and is provided for reference purposes only. For some entries, the PDF version may be unavailable.
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