Parameters of thermodynamic activation of corrosion of carbon steel in 1 M hydrochloric acid in the presence and absence of Eruca sativa seeds extract at different concentrations.

Inhibitor conc. (g L−1)		ΔH*, kJ mol−1	−ΔS*, J mol−1 K−1	log A
Blank	5.12	18.60	194.74	0.483
0.05	42.89	40.40	131.73	6.35
0.10	45.88	43.85	121.78	6.77
0.15	52.46	48.54	107.66	7.78
0.20	54.15	53.61	93.82	8.11
0.25	59.16	54.50	90.43	8.8
0.30	63.18	58.59	79.65	9.4