Research Article

Effect of Temperature on the Corrosion Inhibition of Trans-4-Hydroxy-4-Stilbazole on Mild Steel in HCl Solution

Table 5

The free energy of adsorption ( ) for mild steel in 1 M HCl in the presence of trans-4-hydroxy-4′-stilbazole inhibitor at various temperatures (303 K–323 K).

 ΔG, kcal·mol−1

303 K313 K323 K
−11.54−11.76−11.12