Table 2 Compares reported corrosion inhibitors to the one under investigation.
Corrosion inhibitor | Metal | Acid | IE% | Refs. |
|---|---|---|---|---|
OHB | Mild steel | HCl | 96.7 | – |
3-(4-ethyl-5-mercapto-1, 2, 4-triazol-3-yl)-1-phenylpropanone (EMTP) | Mild steel | HCl | 97 | |
2-(4-phenyl-1H-1,2,3-triazol-1-yl) acetohydrazide | Mild steel | HCl | 95.3 | |
2-Amino-4-phenyl-N-benzylidene-5-(1,2,4-triazol-1-yl)thiazole | Mild steel | HCl | 95 | |
7-((1-benzyl-1H-1,2,3-triazol-4-yl)methyl)-1,3-dimethyl-3,7-dihydro-1H-purine-2,6–dione | Mild steel | HCl | 91.7 | |
7-((1-(4-fluorobenzyl)-1H-1,2,3-triazol-4-yl)methyl)-1,3-dimethyl-3,7-dihydro-1H-purine-2,6-dione | Mild steel | HCl | 86.9 | |
7-((1-(4-chlorobenzyl)-1H-1,2,3-triazol-4-yl)methyl)-1,3-dimethyl-3,7-dihydro-1H-purine-2,6-dione | Mild steel | HCl | 94 | |
7-((1-(4-bromobenzyl)-1H-1,2,3-triazol-4-yl)methyl)-1,3-dimethyl-3,7-dihydro-1H-purine-2,6-dione | Mild steel | HCl | 91.8 | |
7-((1-(4-iodobenzyl)-1H-1,2,3-triazol-4-yl)methyl)-1,3-dimethyl-3,7-dihydro-1H-purine-2,6-dione | Mild steel | HCl | 90.9 | |
5-methyl-4-((3-nitrobenzylidene) amino) -2,4-dihydro- 3H-1,2,4-triazole-3-thione | Mild steel | HCl | 89.7 | |
3-phenyl-4-amino-5-mercapto-1,2,4-triazole | Mild steel | HCl | 97 | |
2[5-(2-Pyridyl)-1,2,4-triazol-3-yl phenol | Mild steel | HCl | 96.8 | |
3,5-Bis(4-methyltiophenyl)-4H-1,2,4-triazole | Mild steel | HCl | 93.5 | |
3,5-Bis(4-pyridyl)-4H-1,2,4-triazole | Mild steel | HCl | 89.1 | |
3,5-Diphenyl-4H-1,2,4-triazole | Mild steel | HCl | 82.8 | |
3,5-Di(m-tolyl)-4-amino-1,2,4-triazole | Mild steel | HCl | 95.8 | |
5-Amino-1,2,4-triazole | Mild steel | HCl | 24 | |
5-Amino-3-mercapto-1,2,4-triazole | Mild steel | HCl | 82 | |
5-Amino-3-methyl thio-1,2,4-triazole | Mild steel | HCl | 82 | |
1-Amino-3-methyl thio-1,2,4-triazole | Mild steel | HCl | 63 | |
3-Benzylidene amino-1,2,4-triazole phosphonate | Mild steel | HCl | 56.9 | |
3-p-Nitro-benzylidene amino-1,2,4-triazole phosphonate | Mild steel | HCl | 69.2 | |
3-Salicylialidene amino-1,2,4-triazole phosphonate | Mild steel | HCl | 43.2 | |
3,5-Bis(methylene octadecyldimethylammonium chloride)-1,2,4-triazole | Mild steel | HCl | 98.3 | |
3-Amino-1,2,4-triazole-5-thiol | Mild steel | HCl | 97.8 |
