Details

Autor(en) / Beteiligte

• Li, Weihua
• Zhao, Xia
• Liu, Faqian
• Deng, Junying
• Hou, Baorong

Titel

Investigation on the corrosion inhibitive effect of 2H-pyrazole-triazole derivatives in acidic solution

Ist Teil von

• Materials and corrosion, 2009-04, Vol.60 (4), p.287-293

Ort / Verlag

Weinheim: WILEY-VCH Verlag

Erscheinungsjahr

2009

Link zum Volltext

Quelle

Alma/SFX Local Collection

Beschreibungen/Notizen

• Four research methods, such as weight loss test, electrochemical techniques, adsorption isotherm, and quantum chemical calculation, were employed in this paper to study the inhibition efficiency (IE) and inhibition mechanism of three 2H‐pyrazole‐triazole derivatives, BHOT, FHOT, and CHOT in 1 M HCl solution for mild steel. Using the electrochemical technique, three inhibitors were proved to show a mixed‐type character for mild steel by suppressing both anodic and cathodic reactions on the steel surface. The adsorption models of three compounds were established at different temperatures according to their adsorption isotherms. The results of the quantum chemical calculation method indicated that the adsorption sites of 2H‐pyrazole‐triazole derivatives were strongly centralized on benzene ring, triazole ring, or other substituents. All the results showed that the three derivatives were excellent inhibitors in 1 M HCl solution for mild steel.