Inhibition of Mild Steel Corrosion in 1M Hydrochloric Medium by the Methanolic Extract of Ammi visnaga L. Lam Seeds

Table 4

Electrochemical parameters and corrosion inhibitory efficacy of steel in 1M HCl without and with addition of EMG at 303 K.

Inhibitor	Conc. (g/L)	(mV/SCE)	(mV dec^−1)	(mV dec^−1)	(μA cm^−2)	(%)
Blank	-	496.0	87.5	139.7	576.0	-
EMG	0.2	481.2	68.4	139.5	276.36	51
	0.4	482.3	79.1	146.9	186.12	67
	0.6	491.6	81.7	147.2	141	75
	1	480.6	78.1	142.4	101.52	82