The temperature effect in the adsorption of chloride ions at the mercury/aqueous ethanol-HCl interface

The adsorption of Cl − ions on mercury from a water-ethanol mixture was studied as a function of concentration (0.01–2.0 mol l −1) at four temperatures, 0, 25, 40 and 60°C, using measurements of differential capacity and of interfacial tension. The changes in amount adsorbed as a function of concent...

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Bibliographic Details
Published in:Journal of electroanalytical chemistry and interfacial electrochemistry 1973-09, Vol.46 (2), p.381-390
Main Authors: Minc, S., Jurkiewicz-Herbich, M.
Format: Article
Language:English
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Summary:The adsorption of Cl − ions on mercury from a water-ethanol mixture was studied as a function of concentration (0.01–2.0 mol l −1) at four temperatures, 0, 25, 40 and 60°C, using measurements of differential capacity and of interfacial tension. The changes in amount adsorbed as a function of concentration, temperature and surface charge density and some thermodynamic functions characterizing the property of adsorbed ionic layers (Δ G 0, Δ H 0, Δ S 0) were determined. In the discussion of results a comparison was drawn between the effects of temperature on the adsorption of Cl − ions from an aqueous solution and from an ethanol-water mixture
ISSN:0022-0728
DOI:10.1016/S0022-0728(73)80145-7