Abstract
The potential-dependent sorption which occurs on a graphite surface is quite different from that on metals and permits a wide range of materials from molecules to bacteria to be sorbed. The active sites for this process are the edges of the graphite layer planes where the pK of the surface functional groups is modified by the applied potential to control the sorption in a manner analogous to that on an ion exchange resin.
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Mayne, P.J., Shackleton, R. Adsorption on packed bed electrodes. J Appl Electrochem 15, 745–754 (1985). https://doi.org/10.1007/BF00620571
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DOI: https://doi.org/10.1007/BF00620571