Sensitive Carbon Fiber Microelectrode for the Quantification of Diuron in Quality Control of a Commercialized Formulation

Figure 7

Cyclic voltammograms of 20 mg/L diuron in 0.1 M PBS (pH 7.0) on p-NiTSPc-CFME with different scan rates: (a) 0.01, (b) 0.05, (c) 0.1 and (d) 0.2 V/s. Inset plots of oxidation and reduction current versus square root scan rate.