Research Article
Inhibition of Corrosion of Aluminium in Potassium Hydroxide Solution by Pyridine Derivatives
Table 5
Inhibition coefficient.
| | Sr. number | Concentration of inhibitor (mol L−1) |
Decrease in wt. loss/area/hr with respect to blank (mg/cm2) | | 3-Nitropyridine |
| | 1 | 1.0 × 10−4 | 0.611 | 0.611 | | 2 | 2.0 × 10−4 | 1.052 | 1.257 | | 3 | 3.0 × 10−4 | 1.503 | 1.726 | | 4 | 4.0 × 10−4 | 1.766 | 2.050 | | 5 | 5.0 × 10−4 | 2.050 | 2.352 |
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