Cyclic Voltammetric Investigation of Caffeine at Anthraquinone Modified Carbon Paste Electrode

Figure 2

CVs of AQMCPE in 0.1 M of different supporting electrolytes (a) acetate, (b) phosphate, (c) sulfuric acid, and (d) per-chloric acid in the presence of 1 mM caffeine; at a scan rate of 100 mV/s