Research Article

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

Figure 7

(a) Differential pulse voltammogram (DPV) of CT in the presence of HQ at PGA modified GCE in PBS. (b) Calibration curve for the quantitative determination of CT in the presence of HQ.
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(b)