Catalase-Based Modified Graphite Electrode for Hydrogen Peroxide Detection in Different Beverages

Figure 2

The effect of pH on the redox peak currents of NAF-MWCNTs-COOH-GCE-CAT in various buffer solutions with pH values 3.5, 5.5, 6.0, 7.0, 7.5, and 8.0 (a); versus pH plot (b).

(a)

(b)