Fig. 4From: Simultaneous electrochemical sensing of dihydroxy benzene isomers at cost-effective allura red polymeric film modified glassy carbon electrodeDPVs recorded for the simultaneous determination of equimolar (40.0 μM) binary mixture of CC and HQ at bare GCE (curve a) and ALR/GCE (curve b) with 0.2 M buffer of pH 7.4Back to article page