Substitutional adsorption isotherms and corrosion inhibitive properties of some oxadiazol-triazole derivative in acidic solution

作者：Zhang Shengtao^*; Tao Zhihua; Liao Shiguo; Wu Fengjing

来源：Corrosion Science, 2010, 52(9): 3126-3132.

DOI：10.1016/j.corsci.2010.05.035

• Mild steel
• Electrochemical calculation
• Weight loss
• Acid inhibition

A newly synthesized oxadiazol-triazole derivative (TOMP), was investigated as corrosion inhibitor of mild steel in 0.5 M H(2)SO(4) solution using weight loss measurements, polarization and electrochemical impedance spectroscopy (EIS) methods. Results obtained revealed that TOMP is effective corrosion inhibitor for mild steel in sulphuric acid and its efficiency attains more than 97.6% at 298 K. The number of water molecules (X) replaced by a molecule of organic adsorbate was determined from the substitutional adsorption isotherms applied to the data obtained from the weight loss experiments performed on mild steel specimen in acidic solution in the 298-333 K range.

• 出版日期2010-9
• 单位重庆大学