Simultaneous Voltammetric Determination of Uric Acid, Xanthine, and Hypoxanthine Using CoFe₂O₄/Reduced Graphene Oxide-Modified Electrode

Figure 12

(a) DPV curves for UA, XA, and HX with different concentrations in B–RBS 0.2 M pH 5. (b) The plot of vs. concentration. Other conditions are as in Figure 8.

(a)

(b)