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 5

Cyclic voltammograms of FeZ-G/GCE pH 7 PBS containing (A) no UA and AA at a quite time of 2 s (A) and (B-E) containing 1 mM of UA and 1 mM of AA at various quite times (B-E: 2, 7, 17, and 32 s, respectively).