Journal of Chemistry / 2019 / Article / Fig 4

Research Article

Sensitive and Simultaneous Determination of Hydroquinone and Catechol in Water Using an Anodized Glassy Carbon Electrode with Polymerized 2-(Phenylazo) Chromotropic Acid

Figure 4

(a) CVs and (b) DPVs of bare GCE, AGCE, and PCH/AGCE in PBS (pH 7.0) and a mixture of HQ and CT (0.5 mM of each in PBS, pH 7.0). Scan rate: 100 mV/s.

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