Goldbook title
IUPAC > Gold Book > alphabetical index > E > electrocapillary equation
Gold G Icon
Indexes Download

electrocapillary equation

A form of the Gibbs adsorption equation which includes an expression of the phenomenon of electrocapillarity:
s d T − τ d p + d γ + σ α d E + ∑ Γ j d μ j = 0
where s is the surface excess of entropy of unit area of interphase, T is the temperature, τ is the thickness or excess volume of unit area of the interphase, p is the external pressure, γ is the interfacial tension, σ α is the free surface charge density on phase α (areal amount of charge on the surface of phase α),E is the generalized potential, Γ j is the surface excess, μ j is the chemical potential and j is an electrically neutral component of one or other of the phases; the sum is over all the components but one in each phase.
PAC, 1986, 58, 437 (Interphases in systems of conducting phases (Recommendations 1985)) on page 446
Interactive Link Maps
First Level Second Level Third Level
Cite as:
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: (2006-) created by M. Nic, J. Jirat, B. Kosata; updates compiled by A. Jenkins. ISBN 0-9678550-9-8.
Last update: 2014-02-24; version: 2.3.3.
DOI of this term:
Original PDF version: The PDF version is out of date and is provided for reference purposes only. For some entries, the PDF version may be unavailable.
Current PDF version | Version for print | History of this term