Electrochemical Characterization And Determination Of Catechol At Poly Bcpergogc Modified Electrode

A Glassy Carbon Electrode Was Modified With A Poly Bromocresol Purple And ElectrochemicallyrnReduced Graphene Oxide. The Modified Electrode Was Characterized, And Used To ElectrochemicallyrnDetermine Catechol (1, 2-Dihydroxy Benzene, Cc) Using Cyclic And Differential Pulse VoltammetryrnAnd Exhibited Good Electrocatalytic Activities Toward The Oxidation Of Cc. The Peak Currents WerernLinear With The Cc Concentrations In The Range Of 5–140M With A 0.998 Correlation CoefficientrnAnd A Corresponding Detection Limits Of 0.8M . The Effect Of Hydroquinone, Ascorbic Acid, PhenolrnAnd Dichlorophenol As Interfering Substances On The Peak Current Of Catechol Was Examined UsingrnDifferential Pulse Voltammetry. The Modified Electrode Exhibited Good Sensitivity, AndrnReproducibility For The Determination Of Cc Indicating The Promising Applications Of The ModifiedrnElectrode In Real Sample Analysis.

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