Investigation of corrosion inhibitive effect of substituted oxadiazole for carbon steel in hydrochloric acid solution

J Chin Soc Corr Pro

2008, Vol. 28

Issue (1): 44-47 DOI:

Research Report

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Investigation of corrosion inhibitive effect of substituted oxadiazole for carbon steel in hydrochloric acid solution

Chao-Yang FU

华中科技大学化学系

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Abstract New Corrosion inhibitor named 2,5-bis（2-hendecyl）-1,3,4-oxadiazole（HOX） was synthesized and characterized.Its inhibiting behavior for carbon steel in 1mol/L and 2 mol/L hydrochloric acid was in-vestigated by means of weight loss, potentiodynamic polarization curves and electrochemical impedance meth-ods. The results show that it behaves excellent as inhibitor at very low concentration. HOX suppressed both cathodic and anodic processes of steel corrosion in 1 mol/L and 2 mol/L HCl solution by chemisorption on steel surface. It also indicates the adsorption is according to a Langmuir isotherm adsorption model.

Key words: Oxadiazole Corrosion inhibitor Carbon steel

Received: 03 July 2006

Corresponding Authors: Chao-Yang FU E-mail: cyfu@mail.hust.edu.cn

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Chao-Yang FU. Investigation of corrosion inhibitive effect of substituted oxadiazole for carbon steel in hydrochloric acid solution. J Chin Soc Corr Pro, 2008, 28(1): 44-47 .

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https://www.jcscp.org/EN/ OR https://www.jcscp.org/EN/Y2008/V28/I1/44

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