Research Article
Detection of Selenium and Nickel Metal Ion in Water Using Mn3O4-Cn-Modified Electrode
Figure 7
Calibration curve for (a) Se (IV) and (b) Ni (II) in the concentration range of 5–250 μg/L in 0.1 M PBS and 5 mM Fe(CN)6 using Mn3O4-Cn electrode at 25°C.
| (a) |
| (b) |