Comparison of the inhibition efficiency of LHIL with the literature data as corrosion inhibitors for mild steel in 1 M HCl.
| Inhibitor | Concentration | Efficiency at room temperature (%) | References |
|---|---|---|---|
| Iminium surfactant | 0.5 mM | 90.6 | 52 |
| Isoxazolidine derivatives | 100 mg L−1 | 80.5 | 53 |
| 4-(Pyridin-4-yl)thiazol-2-amine | 0.2 mM | 96.6 | 54 |
| Aniline trimer-including β-cyclodextrin | 200 mg L−1 | 98.5 | 55 |
| Vanillin Schiff bases | 1 mM | 94.0 | 56 |
| Chromeno-carbonitriles | 1 mM | 95.3 | 57 |
| Sugarcane purple rind extract | 800 mg L−1 | 94.1 | 58 |
| Castor oil-based inhibitor | 140 μM | 82.0 | 59 |
| LHIL | 2 mM | 98.8 | Present study |