Square-wave voltammetry of aqueous solution of indigo (CROSBI ID 86120)
Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija
Podaci o odgovornosti
Komorsky-Lovrić, Šebojka
engleski
Square-wave voltammetry of aqueous solution of indigo
Indigo is dissolved in water in the concentration of 5×10-5 mol/L and measured by highly sensitive adsorptive stripping square-wave voltammetry in order to determine the parameters of its electrochemical reduction. The formal potential of indigo/leucoindigo redox couple dissolved in the aqueous 0.7 mol/L KNO3, pH 12 (NaOH) is -0.566 ą 0.003 V vs Ag˝AgCl˝3 M KCl. Both indigo and leucoindigo are adsorbed on the surface of the mercury electrode and the standard rate constant of this redox reaction is 920 ą 130 s-1. The ratio of adsorption constants of indigo and leucoindigo is 0.75.
indigo ; leucoindigo and kinetics of surface redox reaction ; square-wave voltammetry
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Podaci o izdanju
482 (2)
2000.
222-225
objavljeno
1572-6657
1873-2569
10.1016/S0022-0728(00)00049-8