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 3

Cyclic voltammograms of (a) UGCE, (b) GGCE, and (c) FeZ-G/GCE in pH 7.0 PBS containing (A) no analyte, (B) 1 mM AA, (C) 1 mM UA, and (D) mixture of 1 mM AA and 1 mM UA at a scan rate of 100 mV s⁻¹.

(a)

(b)

(c)