Inhibition of Mild Steel Corrosion in Hydrochloric Acid Solution by Ciprofloxacin Drug

Table 1

Weight loss values and calculated inhibition efficiency for mild steel corrosion in 0.1 M HCl in the presence and absence of different concentrations of inhibitors.

Inhibitor concentration	1 day		2 days		3 days		4 days		5 days		6 days
	Weight loss	IE%	Weight loss	IE%	Weight loss	IE%	Weight loss	IE%	Weight loss	IE%	Weight loss	IE%
Blank	0.27	—	0.47	—	0.66	—	0.91	—	1.13	—	1.30	—
0.857 × 10^−3 M	0.10	63	0.14	70	0.16	76	0.19	79	0.21	81	0.24	81
1.71 × 10^−3 M	0.07	74	0.09	81	0.13	80	0.15	84	0.20	82	0.23	82
2.570 × 10^−3 M	0.05	81	0.08	83	0.11	83	0.13	86	0.17	85	0.18	86