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Table 4 Summary of CV results of the electrodes in 1 mM KBrO3 prepared in 0.1 M H2SO4 (pH 1) at 25 mV/s

From: Impedance and voltammetry detection of bromate in food samples using NiPcMWCNTs modified glassy carbon electrode

Working electrode

Ipc (μA)

Epc (V)

Ipa (μA)

Epa (V)

Bare GCE

− 23.19

− 0.2332

  

Pc/GCE

− 36.70

− 0.3124

  

Ni/GCE

− 11.78

− 0.2978

  

fMWCNTs/GCE

− 306.59

− 0.2208

  

NiPcMWCNTs/GCE

− 1299.10

− 0.0430

203.20

0.1795

  1. GCE, Bare glassy carbon electrode; Pc/GCE, Phthalocyanine/glassy carbon electrode; Ni/GCE, Nickel/glassy carbon electrode; fMWCNTs/GCE, Functionalized multi-walled carbon nanotubes/glassy carbon electrode; NiPcMWCNTs/GCE, Nickel phthalocyanine multi-walled carbon nanotubes/glassy carbon electrode