Table 6 Thermodynamic parameters for adsorption of inhibitor on mild steel surface in 1 M H 2 SO 4 solutions
Solution | E a | ∆Goads | ∆Hoads | ∆Soads |
|---|---|---|---|---|
kJ mol−1 | kJ mol−1 | kJ mol−1 | J mol−1 | |
Blank | 72.5 | - | - | |
Copolymer | 62.4 | −16.3 | 69 | 286 |
Solution | E a | ∆Goads | ∆Hoads | ∆Soads |
|---|---|---|---|---|
kJ mol−1 | kJ mol−1 | kJ mol−1 | J mol−1 | |
Blank | 72.5 | - | - | |
Copolymer | 62.4 | −16.3 | 69 | 286 |