Table 4 The thermodynamic parameters of adsorption of the inhibitor at different concentrations for mild steel in 1 M HCl solution.
Temperature (K) | Method | R2 | Kads | ΔGads (kJ/mol) | ΔHads (kJ/mol) | ΔSads (kJ/K.mol) |
|---|---|---|---|---|---|---|
303 | WL | 0.99 | 0.033 | −26.21 | −9.495 | 0.055 |
313 | WL | 0.99 | 0.028 | −26.65 | −9.495 | 0.055 |
323 | WL | 0.99 | 0.026 | −27.32 | −9.495 | 0.055 |
333 | WL | 0.98 | 0.023 | −27.82 | −9.495 | 0.055 |