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Cyclic Voltammetric (CV) Evaluation of Electro chemical Behaviors of K3 [Fe (CN)6 ] and Uric Acid

Siyum Shewakena Beshahwored*

Cyclic Voltammetry has a multipurpose electroanalytical technique for the study of electroactive species, the method displays redox behaviour of chemical species inside a wide range potential. The current at the working electrode is observed as a three-cornered excitation potential is applied to the electrode. The purpose of this paper was to determine the diffusion coefficient (D) of the K3 [Fe(CN)6 ] and uric acid; electrochemical nature of K3 [Fe(CN)6 ] and uric acid, effects of varying the concentrations analytes on peak currents and peak splitting and scan rate CV on peak currents and peak splitting. All the reagents used for this experiment were analytical grade. K3 [Fe(CN)6 ] and uric acid solutions were prepared. The experiment has been implemented with the principles of cyclic voltammetry. The relationship between the scan rate and the peak current were investigated and the result shows that there is a direct relationship between scan rate and peak current that is Ipα V1/2. As articulated on the above voltammograms, the peak current increases with the augmentation of the concentrations of K3 [Fe(CN)6 ], So that, the researcher conclude the manifestation of direct relationship between peak current and concentration of analytes. The experiment of this research shows that the increasing of diffusion coefficient (D) with increasing of concentrations /and scan rate.The peak currents and peak splitting fluctuate with variation of scan rate of CV. Similarly, the peak currents and peak splitting vacillate with variation of concentration of the analytes.CV therefore can be used as an indication of major analytical tool for the determination of the trace elements which are electro active in nature. The electrochemical nature of K3 [Fe(CN)6 ] and uric acid were determined; reversible and irreversible respectively.