A form of adsorptive pre-wave in a sampled dc polarography on a static mercury drop electrode
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.
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| Main Authors: | , |
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| Format: | Digital revista |
| Language: | English |
| Published: |
Sociedade Portuguesa de Electroquímica
2006
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| Online Access: | http://scielo.pt/scielo.php?script=sci_arttext&pid=S0872-19042006000300004 |
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