Theory of square-wave voltammetry of two electrode reactions coupled by reversible chemical reaction (CROSBI ID 609806)
Prilog sa skupa u zborniku | sažetak izlaganja sa skupa | domaća recenzija
Podaci o odgovornosti
Komorsky-Lovrić, Šebojka ; Lovrić, Milivoj
engleski
Theory of square-wave voltammetry of two electrode reactions coupled by reversible chemical reaction
Two electrode reactions are coupled by a chemical reaction if the product of the first electrode reaction is the reactant of chemical reaction and the product of the latter is a reactant of the second electrode reaction [1]. This mechanism is marked by the acronym ECE. In this communication the following reactions are investigated: A B+ + e- (1) B+ + X- C (2) C D+ + e- (3) It is assumed that the compound X- is present in great excess, so that the variation of its concentration can be neglected. If both electrode reactions (1) and (3) are fast and reversible, square-wave voltammograms of the ECE mechanism depend on the difference in standard potentials and and on the dimensionless constant K1, which is the product of the equilibrium constant of chemical reaction (2) and the concentration of compound X-. For equal standard potentials the responses are split in two peaks if either K1 > 100 or K1 < 0.01.
square-wave voltammetry; two electrode reactions coupled by reversible chemical reaction
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Podaci o prilogu
20-21.
2014.
objavljeno
Podaci o matičnoj publikaciji
Zbornik sažetaka 4. Dan Elektrokemije
Komorsky-Lovrić, Šebojka ; Vukosav, Petra ; Jadreško, Dijana
Zagreb: Institut Ruđer Bošković
Podaci o skupu
4. dan elektrokemije
poster
04.04.2014-04.04.2014
Zagreb, Hrvatska