Experimental and Theoretical Studies on the Corrosion Inhibition of Brass in Hydrochloric Acid by N-(4-((4-Benzhydryl Piperazin-1-yl) Methyl Carbamoyl) Phenyl) Furan-2-Carboxamide

Figure 6

(a) AC impedance curves of BFC for brass in 1M HCl at 60°C

(b) AC impedance curves of BFC for brass in 1M HCl at 50°C

(c) AC impedance curves of BFC for brass in 1M HCl at 40°C

(d) AC impedance curves of BFC for brass in 1M HCl at 30°C

(e) Randle’s Equivalent circuit used to fit the impedance spectra