Research Article
Detection of Selenium and Nickel Metal Ion in Water Using Mn3O4-Cn-Modified Electrode
Figure 4
Comparative voltammograms of a solution containing Se (IV) and Ni (II) for different concentrations in 0.1 M PBS and 5 mM Fe(CN)6 at a scan rate of 100 mV/s by Mn3O4-Cn electrode at 25°C in the range of 400 to 1000 mV.