Research Article
Study of New Thiazole Based Pyridine Derivatives as Potential Corrosion Inhibitors for Mild Steel: Theoretical and Experimental Approach
Table 4
Adsorption thermodynamic parameters in the absence and presence of various concentrations of inhibitors.
| Inhibitor | (K) | | (L mol−1) | (kJ mol−1) | (J mol−1 K−1) | (kJ mol−1) | (kJ mol−1) |
| 2-MTPH | 303 | 0.9903 | 6266 | −32.1 | 125 | 5.67 | −32.1 | 313 | 0.9951 | 6588 | −33.3 | −33.4 | 323 | 0.9971 | 7294 | −34.7 | −34.6 | 333 | 0.9974 | 7587 | −35.8 | −35.9 |
| 3-MTPH | 303 | 0.9965 | 3973 | −31.0 | 83 | −5.84 | −31 | 313 | 0.9914 | 3663 | −31.8 | −31.8 | 323 | 0.9901 | 3438 | −32.7 | −32.6 | 333 | 0.9959 | 3218 | −33.5 | −33.5 |
| 4-MTPH | 303 | 0.9961 | 4073 | −31.1 | 91 | −3.59 | −31.1 | 313 | 0.9952 | 4186 | −32.2 | −32.0 | 323 | 0.9976 | 3943 | −33.0 | −33 | 333 | 0.9963 | 3611 | −33.8 | −33.9 |
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