engleski

Kinetics of electrode reaction coupled to ion transfer across the liquid / liquid interface

In the theoretical model it is assumed that a graphite disk electrode is covered by a thin film of the solution of decamethylferrocene (dmfc) and some electrolyte CX in nitrobenzene and immersed in an aqueous solution of the electrolyte MX. Oxidation of dmfc is accompanied by the transfer of anion X- from water into nitrobenzene because it is also assumed that cations dmfc+ and C+ are insoluble in water and cation M+ is insoluble in nitrobenzene. Kinetic parameters of electrode reaction can be determined if the total potential difference across the nitrobenzene / water interface is maintained constant by adding the electrolytes CX and MX in concentrations which are much higher than the initial concentration of dmfc in nitrobenzene.

Cyclic voltammetry; Ion transfer; Electrode kinetics; Liquid / liquid interface; Decamethylferrocene

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