Fig. 6From: Impedance and voltammetry detection of bromate in food samples using NiPcMWCNTs modified glassy carbon electrodeCyclic voltammogram of a NiPcMWCNTs/GCE from 25 to 300 mV s−1 in 5 mM K3(Fe(CN)6/K4(Fe(CN)6 made in 0.1 M of PBS, and b linear plot of scan rate’s square root vs peak currentBack to article page