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Analytické využití eliminační voltametrie

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Title in English Analytical use of elimination voltammetry


Year of publication 2002
Type Article in Proceedings
Conference 54. sjezd chemických společností, Brno
MU Faculty or unit

Faculty of Science

Field Electrochemistry
Keywords Elimination voltammetry with linear scan (EVLS);analytical application of EVLS;theory and experiment of EVLS
Description Elimination Voltammetry with Linear Scan (EVLS) is non-conventional electrochemical method, can be applied not only to the deeper understanding of many electrode processes, but also to the analytical determination of studied substances. EVLS regards the total current to be the sum of partial currents. The demand on the elimination of some partial current with the reservation of the other currents is fulfilled by means of certain elimination function created by the linear combination of total currents measured at different scan rates. The simultaneous elimination of kinetic and charging currents with conservation of the difussion current gives a very good readable signal (peak-counterpeak). Analytical acceptation of EVLS consists in the detection of minor processes in major ones, the expansion of potential window, the increasing of sensitivity and resolution of overlapped signals. EVLS can be considered as a new useful electroanalytical method, the very sensitive method for the case if a depolarizer is adsorbed on electrode surfaces.
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