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Journal of Electrochemical Science and Engineering, Vol.5 No.4 December 2015. -

In this study, the tracing of the electroreduction process of molybdate ions in aqueous media at different conditions is achieved for obtaining molybdenum metal in a simple and easy way. The kinetics and the mechanism of the electroreduction of molybdate ions are studied using cathodic polarization technique. It is observed that, the speed of the electroreduction process depends on the speed of the change of the cathodic potential sweep as well as on the temperature of the electrodeposition bath. Moreover, it is observed that, at the potential range from the stationary potential Est = 0.25 V to −0.7 V, the electroreduction of molybdate ions occurs into two steps. Moreover it is observed that, after −0.7 V the electroreduction process of molybdate is accompanying with evolution of hydrogen.

Molybdate in aqueous media; Electrochemical behavior; Platinum substrate; Cathodic polarization



Autor: Samira Fikret Cafarova - ; Institute of Catalysis and Inorganic Chemistry, National Academy of sciences of Azerbaijan, AZ 1143 Ba

Fuente: http://hrcak.srce.hr/



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