Modelling of pulsating diffusional boundary layers—II. A reversible redox electrochemical reaction involving soluble species in solution. Theory and experimental test
✍ Scribed by C.I. Elsner; C.L. Perdriel; S.L. Marchiano; A.J. Arvia
- Publisher
- Elsevier Science
- Year
- 1990
- Tongue
- English
- Weight
- 695 KB
- Volume
- 35
- Category
- Article
- ISSN
- 0013-4686
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✦ Synopsis
A solution of the dlffuslon equation for a reversible redox electrochemical reactlon m the presence of only one species (the reactant) and m the absence of products at the nutlatlon of the reaction for a square wave perturbing potential 1s presented The solution furnishes the concentration profiles for reactant and product and their dependence on the time elapsed from the nutlation of the halfcycle t', on the frequency of the perlo& potential, on the number of cycles, N, and on the symmetry of the slgnal In addition, the dependences of the current on t' and N, and that of the charge density on N, were obtained Conclusions from the theory are experimentally venfied by using the reversible [Fe(CN),]"-/[Fe(CN)Jredox couple on platmum as a test reaction