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Synergistic effect of iodide ion and polyacrylic acid on corrosion inhibition of iron in H2SO4 investigated by electrochemical techniques
Umoren, S. A.1,2; Li, Y.1; Wang, F. H.1
Corresponding AuthorLi, Y.(yiling@imr.ac.cn)
2010-07-01
Source PublicationCORROSION SCIENCE
ISSN0010-938X
Volume52Issue:7Pages:2422-2429
AbstractCorrosion inhibition of iron in H2SO4 by polyacrylic acid (PM) was investigated using electrochemical techniques at 30 degrees C. Results obtained indicate that PAA inhibited the corrosion of iron in the acid medium. Inhibition efficiency increases with increase in PAA concentration and synergistically enhanced on addition of iodide ions. Potentiodynamic polarization results suggest that PM functions as a modest cathodic inhibitor. The adsorption of PAA onto the iron surface followed Temkin adsorption isotherm. FTIR analysis revealed that the synergistic effect due to co-adsorption of iodide ions and PM is co-operative in nature. (C) 2010 Published by Elsevier Ltd.
KeywordIron Polyacrylic acid Iodide ion Acid corrosion Adsorption
Funding OrganizationChinese Academy of Sciences (CAS) ; Academy of Sciences for the Developing World (TWAS)
DOI10.1016/j.corsci.2010.03.021
Indexed BySCI
Language英语
Funding ProjectChinese Academy of Sciences (CAS) ; Academy of Sciences for the Developing World (TWAS)
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000279130600024
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Cited Times:89[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/99980
Collection中国科学院金属研究所
Corresponding AuthorLi, Y.
Affiliation1.Chinese Acad Sci, Inst Met Res, State Key Lab Corros & Protect, Shenyang 110016, Peoples R China
2.Univ Uyo, Fac Sci, Dept Chem, Uyo, Nigeria
Recommended Citation
GB/T 7714
Umoren, S. A.,Li, Y.,Wang, F. H.. Synergistic effect of iodide ion and polyacrylic acid on corrosion inhibition of iron in H2SO4 investigated by electrochemical techniques[J]. CORROSION SCIENCE,2010,52(7):2422-2429.
APA Umoren, S. A.,Li, Y.,&Wang, F. H..(2010).Synergistic effect of iodide ion and polyacrylic acid on corrosion inhibition of iron in H2SO4 investigated by electrochemical techniques.CORROSION SCIENCE,52(7),2422-2429.
MLA Umoren, S. A.,et al."Synergistic effect of iodide ion and polyacrylic acid on corrosion inhibition of iron in H2SO4 investigated by electrochemical techniques".CORROSION SCIENCE 52.7(2010):2422-2429.
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