Cyclic Voltammetric Investigation of Caffeine at Anthraquinone Modified Carbon Paste Electrode
Figure 7
SWVs of AQMCPE in 0.1 M HClO4 (pH 0.56) for different concentration of caffeine (2, 4, 6, 10, 20, 40, 60, 80, 100, 300, 500, and 800 μM) at optimized parameters (inset is the linear calibration plot between peak current and concentration of caffeine in the range of 2−800 μM).
