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Square-wave voltammetry of aqueous solution of indigo (CROSBI ID 86120)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Komorsky-Lovrić, Šebojka Square-wave voltammetry of aqueous solution of indigo // Journal of electroanalytical chemistry (1992), 482 (2000), 2; 222-225. doi: 10.1016/S0022-0728(00)00049-8

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

Povezanost rada

Kemija

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