Square Wave Voltammetric Determination of 2-Thiouracil in Pharmaceuticals and Real Samples Using Glassy Carbon Electrode

Figure 2

Influence of pH on the shape of the peaks in phosphate buffer solution at (a) pH 4.2, (b) pH 3.0, (c) pH 5.0, (d) pH 7.0, (e) pH 8.0, (f) pH 9.2, and (g) pH 10.4 with potential scan rate 50 mVs⁻¹.