Voltammetric Determination of Ascorbic Acid Content in Cabbage Using Anthraquinone Modified Carbon Paste Electrode

Figure 1

Cyclic voltammograms of (a) UCPE and (b) AQMCPE both in the absence of AA and (c) UCPE containing 2 mM AA and (d) AQMCPE containing 2 mM AA in pH 4 PBS at a scan rate of 100 mVs⁻¹.