Activation parameters of the dissolution of SS304 in 1.0 M HCl with and without SCPs at 25–45 °C.

Inhibitor	Conc., ×106 M		ΔH*, kJ mol−1	−ΔS*, J mol−1 K−1
Blank	0.0	66.4 ± 0.2078	63.9 ± 0.2071	78.2 ± 0.1341
SCP1	7	78.1 ± 0.1202	75.6 ± 0.0882	52.7 ± 0.1453
	10	79.8 ± 0.0882	77.3 ± 0.1528	53.8 ± 0.1202
	13	81.1 ± 0.2603	78.6 ± 0.2028	52.9 ± 0.2028
	16	82.9 ± 0.2887	80.4 ± 0.1202	59.1 ± 0.1528
SCP2	7	76.9 ± 0.2309	74.4 ± 0.1155	53.9 ± 0.2028
	10	78.2 ± 0.1528	75.7 ± 0.1764	54.6 ± 0.2082
	13	78.8 ± 0.1856	76.3 ± 0.2404	42.9 ± 0.1764
	16	81.1 ± 0.1732	78.6 ± 0.1732	48.6 ± 0.2404