Table 12 EIS parameter values of C-steel corrosion in 1 M HCl at 50 Ppm of the inhibitors with the addition of different concentrations of salts at 303 K.

Salt name	Inhibitors name	Conc. of salt ppm	\(R_{p} \;\Omega {\text{cm}}^{{\text{2}}}\)	CPE F cm^− 2	\(\:\varvec{I}\varvec{E}\:\varvec{\%}\)	θ
CoCl₂	TAC 6	0	464	0.0000663	73.66	0.737
		10	539	0.0000241	84.79	0.848
		30	774	0.0000193	89.41	0.894
		50	909	0.0000161	90.98	0.910
		70	990	0.0000146	91.72	0.917
		90	1200	0.0000124	93.17	0.932
	TAC 18	0	782	0.0000261	90.70	0.907
		10	1050	0.0000200	92.19	0.922
		30	1100	0.0000170	92.55	0.925
		50	1180	0.0000142	93.05	0.931
		70	1450	0.0000024	94.34	0.943
		90	1600	0.0000014	94.88	0.949
MnCl₂	TAC 6	0	464	0.0000663	73.66	0.737
		10	1018	0.0000030	91.94	0.919
		30	1180	0.0000024	93.05	0.931
		50	1242	0.0000021	93.40	0.934
		70	1391	0.0000020	94.10	0.941
		90	1499	0.0000019	94.53	0.945
	TAC 18	0	782	0.0000261	90.70	0.907
		10	1281	0.0000034	93.60	0.936
		30	1344	0.0000030	93.90	0.939
		50	1407	0.0000026	94.17	0.942
		70	1548	0.0000024	94.70	0.947
		90	1618	0.0000023	94.93	0.949
CuCl₂	TAC 6	0	464	0.0000663	73.66	0.737
		10	898	0.0000120	90.87	0.909
		30	1219	0.0000067	93.27	0.933
		50	1540	0.0000033	94.68	0.947
		70	1794	0.0000030	95.43	0.954
		90	1948	0.0000026	95.79	0.958
	TAC 18	0	782	0.0000261	90.70	0.907
		10	1502	0.0000035	94.54	0.945
		30	1567	0.0000024	94.77	0.948
		50	1731	0.0000033	95.26	0.953
		70	1894	0.0000017	95.67	0.957
		90	1957	0.0000023	95.81	0.958

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