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Physical chemistry, Analytical chemistry
A square wave voltammetric waveform ( SWV) was applied to an inlaid microdisk electrode in a solution of K4[Fe(CN)6]. A simple model relying on the assumption of steady state current throughout the scan was used to model the current potential behaviour. However, experimental peak current magnitudes were between 30% and 50% greater than those predicted by the model. The model predicts an increase of peak current and peak width at half height with pulse height Esw and no effect of the parameters frequency, f and step height, ΔEs. Experimental peak current magnitudes and peak current magnitudes predicted by the model both increased with increasing Esw but were not affected by f or ΔEs.
Enright, P., Cassidy, J. & Betts, A. (2008) Evaluation of a Naive Model for Square Wave Voltammetry at a Microelectrode. Journal of Electroanalytic Chemistry. , vol. 01, no.619, pp.206-208. doi:10.1016/j.jelechem.2008.04.003
Technological University Dublin