Discrimination and evaluation of the effects of uncompensated resistance and slow electrode kinetics from the higher harmonic components of a Fourier transformed large-amplitude alternating current voltammogram

摘要: The influence of uncompensated resistance (also called the IRu effect, where I is current and Ru resistance) slow electrode kinetics have been assessed for dc first five ac harmonics derived from Fourier transformed large-amplitude voltammetry. Resistance rate constant conditions emphasized correspond to those separation effects attributable either parameter essentially impossible under cyclic Results simulations experiments demonstrate that it relatively easy discriminate quantify contributions these two over a wide range values using fourth fifth harmonic components single voltammetric measurement. Furthermore, also are devoid background charging current. Concepts developed initially confirmed by experimental studies on following:  (a) oxidation ferrocene, in moderately res...