Electrochemical and thermodynamic investigation of diniconazole and triadimefon as corrosion inhibitors for copper in synthetic seawater
Hu, Lichao1; Zhang, Shengtao1; Li, Weihua2; Hou, Baorong2
2010-09-01
发表期刊CORROSION SCIENCE
ISSN0010-938X
卷号52期号:9页码:2891-2896
文章类型Article
摘要This paper presents the investigation of diniconzole and triadimefon as chemical corrosion inhibitors for freshly polished copper in synthetic seawater (3.5% NaCl solution). Determination of weight loss, polarization curves, electrochemical impedance spectroscopy (EIS), and SEM, were performed to analyze the inhibiting performance of these compounds. Polarization curves show that they act as mixed-type inhibitors. EIS indicates that an adsorption film of the inhibitors is formed on copper surface. The highest values of inhibition efficiency are respectively, 99.2% and 97.3% at 100 mg/L concentration. Thermodynamic calculation suggests that chemisorptions between the compounds and copper are accordance with Langmuir adsorption isotherm. (C) 2010 Elsevier Ltd. All rights reserved.; This paper presents the investigation of diniconzole and triadimefon as chemical corrosion inhibitors for freshly polished copper in synthetic seawater (3.5% NaCl solution). Determination of weight loss, polarization curves, electrochemical impedance spectroscopy (EIS), and SEM, were performed to analyze the inhibiting performance of these compounds. Polarization curves show that they act as mixed-type inhibitors. EIS indicates that an adsorption film of the inhibitors is formed on copper surface. The highest values of inhibition efficiency are respectively, 99.2% and 97.3% at 100 mg/L concentration. Thermodynamic calculation suggests that chemisorptions between the compounds and copper are accordance with Langmuir adsorption isotherm. (C) 2010 Elsevier Ltd. All rights reserved.
关键词Copper Eis Polarization Weight Loss Neutral Inhibition
学科领域Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
DOI10.1016/j.corsci.2010.04.038
URL查看原文
收录类别SCI
语种英语
WOS记录号WOS:000280272200017
引用统计
被引频次:98[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.qdio.ac.cn/handle/337002/5184
专题海洋环境腐蚀与生物污损重点实验室
作者单位1.Chongqing Univ, Coll Chem & Chem Engn, Chongqing 400044, Peoples R China
2.Chinese Acad Sci, Inst Oceanol, Key Lab Corros Sci, Qingdao 266071, Peoples R China
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Hu, Lichao,Zhang, Shengtao,Li, Weihua,et al. Electrochemical and thermodynamic investigation of diniconazole and triadimefon as corrosion inhibitors for copper in synthetic seawater[J]. CORROSION SCIENCE,2010,52(9):2891-2896.
APA Hu, Lichao,Zhang, Shengtao,Li, Weihua,&Hou, Baorong.(2010).Electrochemical and thermodynamic investigation of diniconazole and triadimefon as corrosion inhibitors for copper in synthetic seawater.CORROSION SCIENCE,52(9),2891-2896.
MLA Hu, Lichao,et al."Electrochemical and thermodynamic investigation of diniconazole and triadimefon as corrosion inhibitors for copper in synthetic seawater".CORROSION SCIENCE 52.9(2010):2891-2896.
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