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Electrochemical Behavior Of Riboflavin On Glassy Carbon Electrode, Hong Li, Lincai Jiang
Electrochemical Behavior Of Riboflavin On Glassy Carbon Electrode, Hong Li, Lincai Jiang
Journal of Electrochemistry
The electrochemical behavior of riboflavin(RF) on glassy carbon has been investigated by using potential sweep,rotating ring_disc electrode and the measurement of differential capacitance. It is shown that a single well_behaved oxidation_reduction wave corresponding to a reversible two_electrons reaction apears in medium of pH<6,and the adsorption of RFH2 formed by electro_reduction is weak and hence its solubility is good.In medium of pH>6,there are two separating but overlapping partly oxidation_reduction waves corresponding to two_step one_electron reaction.The adsorptions of RFH and RFH2 produced by reduction reactions in medium of 610,the solubilities of the adsorbed species produced by electro_reduction are good.