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Pavetta Indica Bark as Corrosion Inhibitor in Mild Steel Corrosion in HCl and H2SO4 Medium: Adsorption and Thermodynamic Study

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1TitleTitle of DocumentPavetta Indica Bark as Corrosion Inhibitor in Mild Steel Corrosion in HCl and H2SO4 Medium: Adsorption and Thermodynamic Study
2CreatorAuthor's name, affiliation, country V. N. SHEEJA and S. SUBHASHINI
Department of Chemistry, Avinashilingam Institute for Home Science and Higher Education for Women, Coimbatore-43, Tamilnadu, India
3SubjectDicipline(s) Chemical Science
3SubjectKeywords Corrosion inhibitors, Mild steel, Pavetta indica Linn bark, Weight loss method, Physisorption, Temkin isotherm
4DescriptionAbstract Corrosion inhibition in the presence of Pavetta indica bark (PIB) extract in 1 M HCl and 1 M H2SO4 was studied using the weight loss technique at 303 to 353 K. The results obtained revealed that the inhibition efficiency increased with increase in temperature and showed maximum at 313 K. Inhibition occurred through adsorption of the molecules in PIB extract on the metal surface. The experimental data were best fit with Temkin isotherm model. The activation energies, enthalpies and entropies of the corrosion process and the free energies, enthalpies and entropies for the adsorption process were determined and discussed.
5PublishersOrganizing agency, location WWW Publications, India
6Contributor Sponsor(s) -
7DateDate (YYYY-MM-DD) -
8TypeStatus & genre Peer-reviewed Article
8TypeType
9FormateFile Formate PDF
10IdentifierUniform Resource Identifier Click Here
10IdentifierDigital Object Identifier DOI:10.7598/cst2014.656
11SourceJournal/conference title; vol., no. (Year)Chemical Science Transactions, Volume  3 , Number  (1), (2014)
12LanuguageEnglish=en en
13RelationSupp.files
14Coverage -
15CopyrightCopyright and permissions
Chemical Science Transactions | Chem Sci Trans | CST | Online Chemistry Journal | Open Access
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