Electrochemical Behaviour of Thymolphthalein

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Turkish Journal of Chemistry
Volume:27 Issue:2
Electrochemical Behaviour of Thymolphthalein

Electrochemical Behaviour of Thymolphthalein

Authors : Mustafa UÇAR

Pages : 155-166

View : 12 | Download : 8

Publication Date : 0000-00-00

Article Type : Research Paper

Abstract :The polarographic and voltammetric behaviour of thymolphthalein in ethanol-water insert ignore into journalissuearticles values(1/5 v/v); was studied using various electrochemical techniques. The reduction of thymolphthalein on a mercury drop electrode was investigated. The adsorption effect on the electrode surface was observed. The rate constants for the electron transfer steps were determined by and without taking adsorption into occount using the Laviron technique and Nicholson technique respectively. The diffusion coefficients were calculated from the cyclic voltammetric data using the method developed by Garrido. Reversibility for the electrode reaction was investigated and a mechanism for the electrode reaction was proposed.
Keywords : Polarography, voltammetry, thymolphthalein, adsorption, rate constants

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