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
Cyclic voltammograms of 1 mM AA in phosphate buffer solution of pH 7.0 on the surface of various electrodes; bare GCE (solid line), CNT-GCE (dotted line), and oppy/MWCNT/GCE (dashed line). Potential sweep rate was 100 mV s−1.
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