Fig. 4From: Impedance and voltammetry detection of bromate in food samples using NiPcMWCNTs modified glassy carbon electrodeUV–visible spectra for a NiNPs, b fMWCNTs and rMWCNTs, c Pc, and d NiNPs, fMWCNTs, Pc, and NiPcMWCNTs nanocompositesBack to article page