Acid Corrosion Inhibition and Adsorption Behaviour of Ethyl Hydroxyethyl Cellulose on Mild Steel Corrosion

Table 2

Calculated values of inhibition efficiency of mild steel in 1.0 M H₂SO₄ in the presence of EHEC and KI.

System	Inhibition efficiency (𝐼%)
	Day
	1	2	3	4	5
0.5 g/L EHEC	42.62	46.02	45.78	45.40	43.86
0.5 g/L EHEC + KI	51.72	52.64	52.88	51.29	49.64
1.0 g/L EHEC	48.87	51.79	51.69	51.50	50.14
1.0 g/L EHEC + KI	62.84	64.36	64.04	62.32	60.03
1.5 g/L EHEC	47.69	48.88	48.86	48.55	47.14
1.5 g/L EHEC + KI	61.02	63.24	63.44	62.38	60.81
2.0 g/L EHEC	53.15	54.92	54.37	53.81	52.25
2.0 g/L EHEC + KI	58.57	62.57	63.74	64.21	63.31
2.5 g/L EHEC	54.89	55.64	53.62	53.76	52.25
2.5 g/L EHEC + KI	60.19	63.28	61.81	60.27	58.42