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Charge and potential at the oxide/solution interface |
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| Authors: | J.W. Perram R.J. Hunter H.J.L. Wright |
| Affiliation: | Department of Applied Mathematics, Institute of Advanced Studies, Australian National University, Canberra, ACT 2600, Australia;Department of Physical Chemistry, The University of Sydney, Sydney, NSW 2006, Australia;N.B. Love Industries, Epping, NSW 2136, Australia |
| Abstract: | A model of the oxide water interface postulating the existence of a finite layer of hydrolyzed material at the surface is considered. A modified Poisson-Boltzmann equation is obtained for the distribution of ions and potential in this region. Values of the titratable charge and zeta potential are calculated and found to be in good agreement with experimental values reported for these systems. |
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