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

Table 1

Calculated values of corrosion rate of mild steel in 1.0 M H₂SO₄ in the absence and presence of EHEC and KI.

System	Corrosion rate (mm/y)
	Day
	1	2	3	4	5
Blank	25.27	22.36	20.16	19.03	17.99
0.5 g/L EHEC	14.50	12.07	10.93	10.39	10.10
0.5 g/L EHEC + KI	12.20	10.59	9.50	9.27	9.06
1.0 g/L EHEC	12.92	10.78	9.74	9.23	8.97
1.0 g/L EHEC + KI	9.39	7.97	7.25	7.17	7.19
1.5 g/L EHEC	13.22	11.43	10.31	9.79	9.51
1.5 g/L EHEC + KI	9.85	8.22	7.37	7.16	7.05
2.0 g/L EHEC	11.84	10.08	9.20	8.79	8.59
2.0 g/L EHEC + KI	10.47	8.37	7.31	6.81	6.60
2.5 g/L EHEC	11.40	9.92	9.35	8.80	8.59
2.5 g/L EHEC + KI	10.06	8.21	7.70	7.56	7.48