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Effect of Solvent and Temperature on the Anodic Oxide Films Formed on Nb in 0.1 M EDTA (Sodium Salt): Scanned Electron Micrograph Studies

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1TitleTitle of DocumentEffect of Solvent and Temperature on the Anodic Oxide Films Formed on Nb in 0.1 M EDTA (Sodium Salt): Scanned Electron Micrograph Studies
2CreatorAuthor's name, affiliation, country V. JEEVANAJYOTHI1* and CH. ANJANEYULU2
1Department of Chemistry, RBVRR Women?s College, Narayanaguda, Hyderabad, India
2Department of Chemistry, Osmania University, India
3SubjectDicipline(s) Chemical Science
3SubjectKeywords Anodization, Formation rate, Current efficiency, Differential field, Nb, EDTA (Sodium salt), Temperature
4DescriptionAbstract Anodization of Nb in 0.1 M EDTA (Sodium salt) has been carried out. Kinetics of anodic oxidation of Nb has been studied at a constant current density of 8 mA. Cm-2 and at room temperature. The plots of formation voltage vs. time, reciprocal capacitance vs. time and reciprocal capacitance vs. formation voltage were drawn. From these plots, formation rate, current efficiency and differential field were calculated. The Addition of solvent (Ethylene glycol) showed better kinetic results. For 20, 40, 60 and 80% aquo-glycolic media, the dielectric constant values are low leading to the marked improvement in the kinetics. The surface morphology of the anodic films was also studied by scanning electron micrographs (SEM). Kinetics was also studied at different temperatures ranging from 273 K to 333 K at a constant current density of 8 mA cm-2. It was observed that kinetic results were found to be increasing linearly with the decrease in temperature
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
11SourceJournal/conference title; vol., no. (Year)Chemical Science Transactions, Volume  7 , Number  (4), (2018)
12LanuguageEnglish=en en
13RelationSupp.files
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15CopyrightCopyright and permissions
Chemical Science Transactions | Chem Sci Trans | CST | Online Chemistry Journal | Open Access
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