Polynuclear Nickel Hexacyanoferrate/Graphitized Mesoporous Carbon Hybrid Chemically Modified Electrode for Selective Hydrazine Detection

Figure 4

CV responses of GCE/NiHCFe@GMC at different (a) alkali metal ions and effect of (b) Na⁺ and (c) K⁺ concentrations at a scan rate of 50 mV/s. Figures 3(b) and 3(d) inset are typical 𝐸_𝑝 versus log(alkali metal ion) plots.

(a)

(b)

(c)

(d)