Research Article
Copper Corrosion Inhibition in 1 M by Two Benzimidazole Derivatives
Table 1
Corrosion kinetic parameters for copper in 1 M HNO3 in absence and presence of the investigated inhibitors.
| Concentration (M) | (kJ·mol−1) | (kJ·mol−1) | (J·mol−1·K−1) | (kJ·mol−1) |
| Blank | | | | | 0 | 12.24 | 9.60 | −233.3 | 83.85 | MBI | | | | | 5·10−5 | 6.49 | 3.85 | −251.5 | 83.82 | 10−4 | 6.29 | 3.65 | −254.1 | 84.45 | 5·10−4 | 6.14 | 3.49 | −263.7 | 87.36 | 10−3 | 5.79 | 3.15 | −269.2 | 88.77 | TMBI | | | | | 5·10−5 | 9.85 | 7.21 | −241.0 | 83.86 | 10−4 | 9.48 | 6.84 | −244.8 | 84.70 | 5·10−4 | 6.88 | 4.24 | −261.3 | 87.32 | 10−3 | 4.92 | 2.27 | −273.6 | 89.28 |
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