Table 5.
Gibbs free energy, surface coverage, and equilibrium constant of adsorption for MBZ inhibitor in 1.5 M H2SO4.
| Temperature (K) | Inhibitor conc. (g/l) | ΔGads° (kJ·mol−1) | K ads (mol−1) | Surface coverage |
|---|---|---|---|---|
| 303 | 0.5 | −19.33 | 44.00 | 0.96 |
| 1.0 | −21.48 | 104.71 | 0.99 | |
| 1.5 | −17.76 | 23.38 | 0.97 | |
| 333 | 0.5 | −11.33 | 1.08 | 0.35 |
| 1.0 | −15.25 | 4.45 | 0.82 | |
| 1.5 | −14.78 | 3.76 | 0.85 |