Research Article
A Novel Carbon Paste Electrode Modified with N1-Hydroxy-N1,N2-Diphenylbenzamidine for the Electrochemical Determination of Cadmium(II) in Environmental Samples
Figure 11
Accumulation potential effect on the voltammetric current of 100 nM Cd(II). Supporting electrolyte solution: B-R buffer of pH 4; accumulation time: 270 s; amplitude: 100 mV; frequency: 80 Hz; and step potential: 6 mV.