Table 2.

Corrosion criterions from WL for C-steel dissolution in 1.0 M HCl in the presence and absence of inhibitors at the studied temperatures.

Inhibitor	Conc., M	298 K		308 K		318 K		328 K
		CR × 10−3 mg cm−2 min−1	ɳ%	CR × 10−3 mg cm−2 min−1	ɳ%	CR × 10−3 mg cm−2 min−1	ɳ%	CR × 10−3 mg cm−2 min−1	ɳ%
MA-1440	1.0 M HCl	10.1	–	17.7	–	40	–	80.4	–
	5 × 10−6	2.64	73.91	4.00	77.37	7.47	81.33	13.87	82.74
	10 × 10−6	2.37	77.00	3.54	80.39	6.45	84.31	11.72	85.83
	15 × 10−6	2.13	80.04	3.11	83.50	5.48	87.38	9.62	89.11
	20 × 10−6	1.90	82.71	2.69	86.22	4.56	90.05	7.630	91.96
	25 × 10−6	1.70	84.21	2.30	88.04	3.78	91.59	5.83	93.78
	30 × 10−6	1.55	84.71	2.00	88.74	3.12	92.25	4.31	94.69
MA-1456	5 × 10−6	3.28	67.64	4.75	73.18	9.07	77.33	15.86	80.27
	10 × 10−6	3.01	70.73	4.29	76.17	7.99	80.45	13.80	83.25
	15 × 10−6	2.74	74.01	3.86	79.29	7.04	83.50	11.94	86.23
	20 × 10−6	2.49	76.86	3.45	81.95	6.13	86.12	10.27	88.68
	25 × 10−6	2.26	78.71	3.10	83.52	5.37	87.62	8.73	90.17
	30 × 10−6	2.07	79.62	2.81	84.19	4.75	88.19	7.40	90.85