Voltammetric Determination of Acetaminophen in the Presence of Codeine and Ascorbic Acid at Layer-by-Layer MWCNT/Hydroquinone Sulfonic Acid-Overoxidized Polypyrrole Modified Glassy Carbon Electrode
Figure 6
Differential pulse voltammograms of 0.1 M phosphate buffer solution containing various concentrations of AC (down to up); (a) 0.2, 0.4, 0.5, 0.6, 0.8, 1, 2, 4, 5, and 6 and (b) 40, 50, 60, 80, and 100 μM AC. Pulse amplitude was 50 mV. Accumulation time was 120 s.
