Research Article
Rapid Screening Method for Detecting Ethinyl Estradiol in Natural Water Employing Voltammetry
Figure 3
Optimization of the voltammetric parameters for the determination of EE2 (20.0 μg L−1) by DP AdCSV. (a) Effect of accumulation potential with scan rate: 90 mV s−1, equilibrium time: 5 s; : 150 s; pulse amplitude: 70 mV; and pulse time: 50 ms. (b) Effect of accumulation time with scan rate: 60 mV s−1; equilibrium time: 5 s; pulse amplitude: 50 mV; pulse time: 40 ms; and : −0.7 V. (c) Effect of pulse time with scan rate: 60 mV s−1; equilibrium time: 5 s; : 150 s; pulse amplitude: 50 mV; and : −0.7 V.
(a) |
(b) |
(c) |