4.  Anodic Oxidation of Sulphite in Alkaline Solutions on Skeletal Nickel Electrode II. Chrono Amperometric, Potentiometric, Coulometric and Electrochemical Impedance Studies

Authors: M.L. Dan, N. Vaszilcsin and A.F. Enache


Abstract:

In this paper, anodic oxidation of sulphite ions on skeletal nickel electrode in aqueous alkaline solution was investigated in order to find the relationship between the sulphite concentration added in solution, oxidation potential, current density and oxiditation efficiency. Both for a complete characterization of sulphite oxidation on skeletal nickel electrode in alkaline medium, and to demonstrate that in the chosen potential range only the studied process occurs, electrochemical impedance spectroscopy has been performed.


Keywords: skeletal nickel, sulphite anodic oxidation, chronoamperometry, chronopotentiometry, chronocoulometry, electrochemical impedance spectroscopy

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