Simultaneous Detection and Estimation of Catechol, Hydroquinone, and Resorcinol in Binary and Ternary Mixtures Using Electrochemical Techniques

Figure 1

CVs of (a) CT and HQ (solid lines), CT-HQ binary mixture (dashed line) at bare GCE; (b) CT at bare GCE (solid line) and at PGA-GCE (dashed line); (c) HQ at bare GCE (solid line) and at PGA-GCE (dashed line); (d) overlay of individual CT and HQ (solid lines) and CT-HQ binary mixture (dashed line) at PGA-GCE; (e) comparison between simultaneous CT and HQ at bare GCE (dashed) and at PGA-GCE (solid line) in ABS pH 4.5.

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