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Mechanism of Osmium(VIII) Catalysed Oxidation of L-Arginine by Periodate in Alkaline Medium - A Kinetic Study

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1TitleTitle of DocumentMechanism of Osmium(VIII) Catalysed Oxidation of L-Arginine by Periodate in Alkaline Medium - A Kinetic Study
2CreatorAuthor's name, affiliation, country G. SRIDEVI1, N. ANNAPURNA2 and P. VANI3*
1,3Department of Inorganic and Analytical Chemistry, Andhra University, Visakhapatnam-530 003, A.P, India
2Department of Engineering Chemistry, AUCE(A), Andhra University, Visakhapatnam-530 003, A.P, India
3SubjectDicipline(s) Chemical Science
3SubjectKeywords Oxidation of L-arginine, Periodate, Osmium(VIII)
4DescriptionAbstract The kinetics of the osmium(VIII) catalyzed oxidation of L-arginine by periodate has been studied spectrophotometrically in alkaline medium at 280 nm. The reaction is first order with respect to [catalyst]. The reaction showed second order dependence on [periodate], fractional order dependence on [alkali] and is independent of substrate. The oxidation product of the reaction was found to be α- keto acid. A plausible mechanism has been proposed. The energy of activation, Ea and entropy of activation, ΔS# were computed and are found to be 53.00 ±1.78 kJ mol-1 and -46.30 ± 5.34 JK-1mol-1 respectively.
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  4 , Number  (2), (2015)
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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