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Some Controversies in the Understanding of Equilibria in Electrical Interfacial Layer

N. Kallay ; Laboratory of Physical Chemistry, Faculty of Science, University of. Zagreb, 41001 Zagreb, P. O. Box 162, Yugoslavia
R. Sprycha ; Department of Radiochemistry and Colloid Chemistry, Faculty of Chemistry, Maria Curie-Sklodowska University, 20-031 Lublin, Poland
M. Tomić ; Laboratory of Physical Chemistry, Faculty of Science, University of. Zagreb, 41001 Zagreb, P. O. Box 162, Yugoslavia
S. Žalac ; Laboratory of Physical Chemistry, Faculty of Science, University of. Zagreb, 41001 Zagreb, P. O. Box 162, Yugoslavia
Ž. Torbič ; Laboratory of Physical Chemistry, Faculty of Science, University of. Zagreb, 41001 Zagreb, P. O. Box 162, Yugoslavia

Puni tekst: engleski, pdf (22 MB) str. 467-487 preuzimanja: 126* citiraj
APA 6th Edition
Kallay, N., Sprycha, R., Tomić, M., Žalac, S. i Torbič, Ž. (1990). Some Controversies in the Understanding of Equilibria in Electrical Interfacial Layer. Croatica Chemica Acta, 63 (3), 467-487. Preuzeto s https://hrcak.srce.hr/137385
MLA 8th Edition
Kallay, N., et al. "Some Controversies in the Understanding of Equilibria in Electrical Interfacial Layer." Croatica Chemica Acta, vol. 63, br. 3, 1990, str. 467-487. https://hrcak.srce.hr/137385. Citirano 04.03.2021.
Chicago 17th Edition
Kallay, N., R. Sprycha, M. Tomić, S. Žalac i Ž. Torbič. "Some Controversies in the Understanding of Equilibria in Electrical Interfacial Layer." Croatica Chemica Acta 63, br. 3 (1990): 467-487. https://hrcak.srce.hr/137385
Harvard
Kallay, N., et al. (1990). 'Some Controversies in the Understanding of Equilibria in Electrical Interfacial Layer', Croatica Chemica Acta, 63(3), str. 467-487. Preuzeto s: https://hrcak.srce.hr/137385 (Datum pristupa: 04.03.2021.)
Vancouver
Kallay N, Sprycha R, Tomić M, Žalac S, Torbič Ž. Some Controversies in the Understanding of Equilibria in Electrical Interfacial Layer. Croatica Chemica Acta [Internet]. 1990 [pristupljeno 04.03.2021.];63(3):467-487. Dostupno na: https://hrcak.srce.hr/137385
IEEE
N. Kallay, R. Sprycha, M. Tomić, S. Žalac i Ž. Torbič, "Some Controversies in the Understanding of Equilibria in Electrical Interfacial Layer", Croatica Chemica Acta, vol.63, br. 3, str. 467-487, 1990. [Online]. Dostupno na: https://hrcak.srce.hr/137385. [Citirano: 04.03.2021.]

Sažetak
This review discusses several controversies connected to the measurements and interpretation of equilibria in the electrical interfacial layer at the solid/solution interfaces. The discussion concerns equilibria of amphoteric reactions and counterion association at the surface. The applicability of the intrinsic equilibrium constant concept for counterion association is compared to a model where associated counterions are not located fin a plane but distributed in the vicinity of central surface charged groups. Measurements indicating the adsorption of counterions in the region of the point of zero charge reveal insufficiencies of the common models based on the Gouy-Chapman theory. These results are explained in terms of the effect of the discreteness of surface charge. The differences in the double layer model and the triple layer model are discussed. Numerical simulation of interfacial layer equilibria shows that the isoelectric point can be close to the common intersection point despite the significant specific adsorption. This finding suggests that these values should be determined with high accuracy if they are used as ithe point of zero charge. It is demonstrated that mass titration method for p,z.c. determination is applicable only for pure samples. The contamination of samples by acid or base results in significant errors in p.z.c. and thus (in experimental surface charge densities. The adhesion method for determination of the isoelectric point of metallic surfaces is presented.

Hrčak ID: 137385

URI
https://hrcak.srce.hr/137385

Posjeta: 237 *