Fig. 10From: Impedance and voltammetry detection of bromate in food samples using NiPcMWCNTs modified glassy carbon electrodeCyclic voltammogram of a NiPcMWCNTs/GCE (25–300 mV s−1) in 1 mM KBrO3 prepared in 0.1 M H2SO4 (pH 1), b linear graph of scan rate against cathodic peak current Ipc, c linear graph of scan rate’s square root against cathodic potential Ipc, and d linear graph of logarithm of scan rate against cathodic potential EpcBack to article page