Elimination voltammetry as an innovative tool of electroanalysis


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Year of publication 2022
Type Article in Periodical
Magazine / Source Journal of Electroanalytical Chemistry
MU Faculty or unit

Faculty of Science

Web https://www.sciencedirect.com/science/article/pii/S1572665721009887
Doi http://dx.doi.org/10.1016/j.jelechem.2021.115961
Keywords Elimination voltammetry with linear scan (EVLS); Voltammetric current component; Elimination function; Adsorbed electroactive species; Peak-counterpeak elimination signal; Preceding chemical reaction
Description The review presents the application potential of elimination voltammetry with linear scan (EVLS) in the electroanalysis of organic and inorganic electroactive substances. This innovative method can be considered a software tool that transforms the total current-voltage records measured at different scan rates into elimination functions providing new useful information about a given electrode process. Some EVLS functions are capable of separating overlapped voltammetric signals, identifying the adsorbed state of the analyze, and detecting the preceding chemical reaction before the electron transfer. EVLS finds use in solving the mechanisms of electrode processes and determining significant physicochemical parameters, such as charge transfer coefficients and electrochemical equilibrium protonation constants. This review selects and draws attention to certain problems that may accompany EVLS in voltammetric experiments on solid electrodes.
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