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(A–D) DPVs baseline corrected at GCE, (▬) first and (▪▪▪) second scans, obtained in solutions at pH =7.0 of: (A) 25 μM phenol, (B) 25 μM catechol, (C) 25 μM hydroquinone, and (D) 25 μM resorcinol, and (E) oxidation mechanisms of catechol, hydroquinone and resorcinol. Adapted from [13] with permission.
