Šebojka Komorsky-Lovrić*, Milivoj Lovrić
Center for Marine and Environmental Research, "Rudjer Bošković" Institute,P.O. Box 180, 10002 Zagreb, Croatia
Abstract
Theoretical analyses show that in a sampled dc polarography on the static mercury drop electrode the response may consist of a pre-wave and a main wave that are separated by a minimum. This is a general characteristic of electrode reactions complicated by strong adsorption of the product. A steep pre-wave and the minimum are the indications of Frumkin isotherm. A flat plateau of the pre-wave is a special case of the steep plateau which appears at lower reactant concentrations. If the adsorption is weak, the pre-wave and the main wave are usually merged into a single wave.
Keywords: polarography, adsorption, mercury electrode.
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*Corresponding author. E-mail address: slovric@rudjer.irb.hr
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