SIMULTANEOUS VOLTAMMETRIC DETERMINATION OF p-AMINOPHENOL AND PARACETAMOL USING ACTIVATED GLASSY CARBON ELECTRODE: CYCLIC VOLTAMMETRY AND DIFFERENTIAL PULSE VOLTAMMETRY STUDY
Teklu TikuyeTilahun Yai FeyisaShimeles Addisu KitteGebru GebretsadikDereje Yenealem
Abstract
In this study, we demonstrated simultaneous voltammetric determination of p-aminophenol (PAP) and paracetamol (PAR) at activated glassy carbon electrode (aGCE) using cyclic voltammetry (CV) and differential pulse voltammetry (DPV).The electrochemical responses of PAP and PAR were compared at bare GCE (bGCE) and aGCE.The aGCE showed an excellent electrocatalytic effect and decreased over-potential for simultaneous determination of PAP and PAR.It was found that the redox process at aGCE for both PAP and PAR is adsorption-controlled process.Electrochemical reaction of
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