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Investigation of Novel Gemini Surfactant with Long Chain Alkyl Ammonium Headgroups as Corrosion Inhibitor for Copper in 3.5% NaCl
Cao, Kun; Sun, Huyuan; Zhao, Xia; Hou, Baorong; Cao, K (reprint author), Chinese Acad Sci, Inst Oceanol, Key Lab Marine Environm Corros & Biofouling, Qingdao 266071, Peoples R China.
2014-12-01
Source PublicationINTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE
Volume9Issue:12Pages:8106-8119
SubtypeArticle
AbstractInhibiting effect of the novel gemini surfactant on copper was investigated in 3.5% NaCl solution using weight loss and electrochemical measurements. Presence of inhibitor and increase of concentration greatly decrease corrosion rate, parameters determined from polarization curves and EIS plots show that inhibitor decreased both cathodic and anodic current densities, suppressed charge transfer process by adsorption on copper surface. Thermodynamic calculation indicates chemisorption obeys the Langmuir adsorption isotherm. Quantum chemical calculation reveals that inhibitor molecules suppress copper corrosion via formation of N-Cu complex. Relationships between inhibition efficiency and molecular orbital were also evaluated.
KeywordCopper Eis Polarization Gemini Surfactant Quantum Chemical Calculation 1 4-bis(Dodecy Dipropyl Ammonium Bromide)-butane
Subject AreaElectrochemistry
Indexed BySCI
Language英语
WOS IDWOS:000345261900110
Citation statistics
Cited Times:8[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/23883
Collection海洋环境腐蚀与与生物污损重点实验室
海洋地质与环境重点实验室
Corresponding AuthorCao, K (reprint author), Chinese Acad Sci, Inst Oceanol, Key Lab Marine Environm Corros & Biofouling, Qingdao 266071, Peoples R China.
AffiliationChinese Acad Sci, Inst Oceanol, Key Lab Marine Environm Corros & Biofouling, Qingdao 266071, Peoples R China
First Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Cao, Kun,Sun, Huyuan,Zhao, Xia,et al. Investigation of Novel Gemini Surfactant with Long Chain Alkyl Ammonium Headgroups as Corrosion Inhibitor for Copper in 3.5% NaCl[J]. INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE,2014,9(12):8106-8119.
APA Cao, Kun,Sun, Huyuan,Zhao, Xia,Hou, Baorong,&Cao, K .(2014).Investigation of Novel Gemini Surfactant with Long Chain Alkyl Ammonium Headgroups as Corrosion Inhibitor for Copper in 3.5% NaCl.INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE,9(12),8106-8119.
MLA Cao, Kun,et al."Investigation of Novel Gemini Surfactant with Long Chain Alkyl Ammonium Headgroups as Corrosion Inhibitor for Copper in 3.5% NaCl".INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE 9.12(2014):8106-8119.
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