Table 2.

EIS data for corrosion of CS in 1M HCl without and with the different concentrations of SSBs at 308 K.

Conc.	Rs	Rf	Rct	Rp	CPE	Cdl	η
(mM)	(Ω.cm2)	(Ω.cm2)	(Ω.cm2)	(Ω.cm2)	n	(μF.cm−2)	(%)
Blank	1.95	-	9.04	9.04	0.63	836.6	−
SSBO
0.05	2.29	4.36	33.14	37.50	0.64	303.51	75.89
0.10	2.19	4.73	37.81	42.54	0.68	266.03	78.75
0.50	2.56	4.63	49.55	54.18	0.61	202.99	83.31
1.00	2.99	4.80	56.80	61.60	0.62	176.98	85.32
SSBM
0.05	2.49	6.60	71.02	77.62	0.75	140.36	88.35
0.10	2.58	7.42	81.66	89.08	0.73	122.74	89.85
0.50	2.50	8.50	93.77	102.27	0.76	107.26	91.16
1.00	2.10	10.21	119.93	130.14	0.78	83.87	93.04
SSBP
0.05	2.16	3.28	44.91	48.19	0.71	223.97	81.24
0.1	2.10	3.87	55.30	59.17	0.75	181.89	84.72
0.5	2.58	4.46	68.28	72.74	0.74	147.31	87.57
1.00	2.34	5.30	72.77	78.07	0.77	138.22	88.42