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 2

Cyclic voltammograms of stabilized FeZ-G/GCE in 0.5 mol L⁻¹ KNO₃ (in pH 7 PBS) at different scan rates (A-L: 40, 60, 80, 100, 125, 150, 175, 200, 225, 250, 275, and 300 mV s⁻¹, respectively) (a); plot of peak current (Ip) vs square root of scan rate (b) and scan rate (c).

(a)

(b)

(c)