Research Article
3-Formylindole-4-aminobenzoic Acid: A Potential Corrosion Inhibitor for Mild Steel and Copper in Hydrochloric Acid Media
Table 2
Comparison of inhibition efficiency of Schiff base and parent amine.
| | (mM) | MS specimens () | Copper specimens () | | Parent amine | Schiff base | Parent amine | Schiff base |
| | −29.39 |
68.58
|
52.47
|
61.4
| |
0.5
| −18.02 |
85.58
|
54.82
|
65.9
| |
0.8
| −8.16 |
88.40
|
54.70
|
63.3
|
|
|
