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

Figure 3

CVs for NAF-MWCNTs-COOH-GCE-CAT in deoxygenated PBS buffer solution at various scan rates (a). Relationship between the anodic and cathodic peak currents and scan rates (b). Relationship between peak potential separation and logarithm of scan rates (c).

(a)

(b)

(c)