Fig. 15
From: Recent advances in the use of benzimidazoles as corrosion inhibitors
(Reproduced with permission from Elsevier, Ref. [32])
EIS for mild steel in 0.5 M H2SO4 solution without and with different concentration of 1-buthyl-3-methyl-1H-benzimidazolium iodide 30 at 298 K: a Nyqusit plots, and b Bode plots