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Global Journal of Analytical Chemistry. Volume 2, Issue 1 (2011) pp. 21-26
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Research Article
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Inhibiting the corrosion of Q235 carbon steel in 1M HCl by bezoar detoxicating tablet
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Fei Kuang a,b*, Weihong Yangb, Changjun Zoub, Ming Tangc, Jun Chend, Yi Lue, Chao Liub, Lei Cuib, Tongde Zhuf
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a Xinjiang Joinworld Co.,Ltd., Xinjiang, 830013, China
b State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation (Southwest Petroleum University), Chengdu, 610500, China
c NO.1, Production plant of XinJiang oil-field company,Kelamayi, 834000, China
d NO.1, Production plant of Qinghai oil-field company, Haixi, 816400, China
e General New Technology International Inc., Beijing, 100083, China
f OPS Environmental Protection Science & Technology Co.,Ltd., Beijing, 100086, China
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Abstract |
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As a kind of environmental friendly material, bezoar detoxicating tablet was introduced as a corrosion inhibitor for Q235 carbon steel in 1M HCl solution in this work. The corrosion inhibiting performances of bezoar detoxicating tablet was analyzed using electrochemical methods and weight loss method. The corrosion inhibiting mechanisms were characterized as the adsorption of bezoar detoxicating tablet using polarization curves and electrochemical impedance spectroscopy methods. The optimum adding quantity was 1.25g L-1 and the corresponding corrosion inhibition efficiency was more than 86%.
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Keywords |
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Corrosion inhibitor; Polarization curve; Weight loss methods; Electrochemical impedance spectroscopy
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