Research Article
Potentiometric Stripping Analysis of Cadmium and Lead with Constant Inverse Current in the Analytical Step Using an Open Tubular Mercury-Coated Glassy Carbon Electrode
Figure 4
Influence of the reduction current on the oxidation time (mean value ± 2SD, ; cm = 40 μg/L; Q = 13.2 ml/min; tdep = 120 s; trp = 60 s).