Voltammetric Detection of Dopamine in Presence of Ascorbic Acid and Uric Acid at Poly (Xylenol Orange) Film-Coated Graphite Pencil Electrode

Figure 1

Cyclic voltammogram of 1 mM potassium ferricyanide at BGPE (solid line) and at poly(XO)/GPE (dashed line) in 1 M potassium chloride at scan rate of 50  mV s⁻¹.