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Corrosion inhibition of mild steel by ethylamino imidazoline derivative in CO2-saturated solution
Okafor, P. C.1,2; Liu, X.1,3; Zheng, Y. G.1
Corresponding AuthorZheng, Y. G.(ygzheng@imr.ac.cn)
2009-04-01
Source PublicationCORROSION SCIENCE
ISSN0010-938X
Volume51Issue:4Pages:761-768
AbstractThe corrosion inhibition and adsorption behaviour of 2-undecyl-1-ethylamino imidazoline (2UEI) on N80 mild steel in CO2-saturated 3% NaCl solutions was investigated using potentiodynamic polarization, electrochemical impedance spectroscopy techniques and SEM observation. Inhibitor efficiency increased with increase in 2UEI concentration. Temperature studies revealed an increase in inhibition efficiency with rise in temperature and corrosion activation energies decreased in the presence of 2UEI. A mechanism of chemical adsorption of 2UEI on the metal's surface is proposed. The adsorption characteristics of the inhibitor were approximated by Temkin isotherm. The inhibition efficiency of 2UEI was enhanced in the presence of iodide ions. (C) 2009 Elsevier Ltd. All rights reserved.
KeywordMild steel EIS Polarization Acid corrosion Acid inhibition
Funding OrganizationChinese Academy of Sciences (CAS) ; Academy of Sciences for the Developing World (TWAS) ; CAS-TWAS Postdoctoral Fellowship
DOI10.1016/j.corsci.2009.01.017
Indexed BySCI
Language英语
Funding ProjectChinese Academy of Sciences (CAS) ; Academy of Sciences for the Developing World (TWAS) ; CAS-TWAS Postdoctoral Fellowship
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000265472500009
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Cited Times:201[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/97669
Collection中国科学院金属研究所
Corresponding AuthorZheng, Y. G.
Affiliation1.Chinese Acad Sci, Inst Met Res, State Key Lab Corros & Protect, Shenyang 110016, Liaoning Prov, Peoples R China
2.Univ Calabar, Dept Pure & Appl Chem, Calabar, Nigeria
3.Shenyang Inst Chem Technol, Dept Appl Chem, Shenyang 110142, Peoples R China
Recommended Citation
GB/T 7714
Okafor, P. C.,Liu, X.,Zheng, Y. G.. Corrosion inhibition of mild steel by ethylamino imidazoline derivative in CO2-saturated solution[J]. CORROSION SCIENCE,2009,51(4):761-768.
APA Okafor, P. C.,Liu, X.,&Zheng, Y. G..(2009).Corrosion inhibition of mild steel by ethylamino imidazoline derivative in CO2-saturated solution.CORROSION SCIENCE,51(4),761-768.
MLA Okafor, P. C.,et al."Corrosion inhibition of mild steel by ethylamino imidazoline derivative in CO2-saturated solution".CORROSION SCIENCE 51.4(2009):761-768.
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