Table 2 Weight loss (WL), corrosion rate (v), surface coverage (θ), and inhibition efficiency (η_WL) for T95 corrosion in 15 wt% HCl solution in the absence and presence of various concentrations of potassium iodide (KI) and sodium dodecyl sulphate (SDS) at different temperatures from weight loss technique.

Conc	WL ± S.D (g)	(v ± S.D) (mm/y)	θ	η_WL%	WL ± S.D (g)	(v ± S.D) (mm/y)	θ	η_WL%
	60 °C				70 °C
Blank	0.15 ± 0.04	26.20 ± 0.17	–	–	0.35 ± 0.02	60.20 ± 3.47	–	–
1 mM KI	0.10 ± 0.01	17.00 ± 0.17	0.35	35	0.24 ± 0.02	41.63 ± 0.17	0.32	32
3 mM KI	0.11 ± 0.01	18.22 ± 2.26	0.31	31	0.25 ± 0.20	43.54 ± 2.26	0.28	28
5 mM KI	0.11 ± 0.02	19.43 ± 3.99	0.26	26	0.27 ± 0.01	46.14 ± 0.87	0.23	23
1 mM SDS	0.11 ± 0.01	18.22 ± 1.21	0.30	30	0.26 ± 0.01	44.24 ± 1.73	0.26	26
3 mM SDS	0.12 ± 0.01	20.30 ± 0.52	0.22	22	0.28 ± 0.08	48.75 ± 4.39	0.19	19
5 mM SDS	0.13 ± 0.02	22.21 ± 0.35	0.15	15	0.30 ± 0.02	51.18 ± 3.64	0.15	15
	80 °C				90 °C
Blank	0.61 ± 0.01	106.17 ± 1.73	–	–	0.86 ± 0.05	149.54 ± 8.67	–	–
1 mM KI	0.43 ± 0.06	74.60 ± 6.41	0.30	30	0.62 ± 0.06	107.56 ± 9.41	0.28	28
3 mM KI	0.45 ± 0.06	78.07 ± 5.20	0.26	26	0.67 ± 0.02	116.23 ± 3.47	0.23	23
5 mM KI	0.49 ± 0.03	85.00 ± 5.20	0.20	20	0.71 ± 0.02	123.17 ± 3.47	0.17	17
1 mM SDS	0.48 ± 0.03	83.27 ± 5.20	0.22	22	0.67 ± 0.01	116.23 ± 1.73	0.22	22
3 mM SDS	0.53 ± 0.08	91.94 ± 7.88	0.13	13	0.69 ± 0.01	119.70 ± 1.73	0.19	19
5 mM SDS	0.52 ± 0.05	90.21 ± 8.67	0.15	15	0.71 ± 0.08	123.17 ± 9.88	0.17	17

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