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 10
Effect of pH of Britton Robinson (B-R) solution on the peak current of Cd(II); Cd(II) concentration: 100 nM. Accumulation time: 270 s; accumulation potential −1.0 V; amplitude: 100 mV, frequency: 80 Hz; and step potential 6 mV.