Electrochemical Characterization of Iron (III) Doped Zeolite-Graphite Composite Modified Glassy Carbon Electrode and Its Application for AdsASSWV Determination of Uric Acid in Human Urine

Figure 4

Cyclic voltammograms of a mixture of 1 mM UA and 1 mM AA pH 7.0 PBS at different scan rates (A-N: 10, 20, 40, 60, 80, 100, 125, 150, 175, 200, 225, 250, 275, and 300 mV/s, respectively) (a) and plot of peak current response for AA and UA against scan rate (b). Separated cyclic voltammogram of the same at scan rate of 10 mV s⁻¹(Inset of (a)).

(a)

(b)