Fig. 5From: Impedance and voltammetry detection of bromate in food samples using NiPcMWCNTs modified glassy carbon electrodea Cyclic voltammograms of the electrodes in 5 mM K3(Fe(CN)6/K4(Fe(CN)6 made in 0.1 M of PBS at 25 mV s−1, and b Histogram of the current responses for GCE, Pc/GCE, Ni/GCE, fMWCNTs/GCE, and NiPcMWCNTs/GCE electrodesBack to article page