Figure 8

(A) Responses of MnCo2O4 modified GCE for the addition of different concentrations of Cd (II) from 2.3 to 120 µg L−1. (B) The corresponding linear plot for I pa vs. concentration of Cd (II).

(A) Responses of MnCo2O4 modified GCE for the addition of different concentrations of Cd (II) from 2.3 to 120 µg L−1. (B) The corresponding linear plot for I pa vs. concentration of Cd (II).