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۱The Mechanism of Electroanalytical Function of CoO(OH) in the Oxalic Acid Electrochemical Determination and its Mathematical Representation
اطلاعات انتشار: Analytical & Bioanalytical Electrochemistry، هشتم،شماره۱، Feb ۲۰۱۶، سال
تعداد صفحات: ۱۱
The mechanism for the electroanalytical function of the cobalt oxy–hydroxycompound in the electrochemical oxidation of oxalic acid was suggested. The mathematical model, describing this process, has been developed and analyzed by means of steady–state stability theory and bifurcation analysis. The behavior of the system was compared with the behavior of analogous systems. The steady–state stability requirements and oscillatory and monotonic instability conditions have been obtained. These instabilities may be caused by surface and electrochemical factor. The oscillation frequency and amplitude are pH–dependent, and the first parameter grows with pH. The pH–range of electroanalytical sensing efficiency was also derived and it is corresponding to moderate alkaline solutions.
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