Figure 8.
CVs (cycles (c) 1 to 5) showing the electrochemical reduction in 0.5 M KCl of GO-SPCEs obtained for different concentrations of GO dispersions: (a) 0.05 mg/mL; (b) 0.1 mg/mL; (c) 0.15 mg/mL; and (d) 0.2 mg/mL.
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