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- W2557548131 abstract "3 ABSTRACT: The kinetics of chromic acid oxidation of methyl cellulose (MC) in aqueous acidic solutions has been investigated at constant ionic strength of 4.0 mol dm -3 , spectrophotometrically. The experimental results showed first- order dependence in chromic acid and fractional first-order kinetics with respect to (MC). A kinetic evidence for formation of 1:1 intermediate complex was revealed. The hydrogen ion dependence of reaction rates indicated that the oxidation process is acid-catalyzed. The activation parameters have been evaluated and a tentative reaction mechanism consistent with the kinetic results is suggested. The oxidation product of the substrate has been separated as coordination biopolymer chelating agent precursor and was identified by elemental analysis and IR spectra. Its tendency for the oxidation product for chelating the polyvalent metal cations has been examined." @default.
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- W2557548131 date "2015-01-01" @default.
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- W2557548131 title "Acid catalyzed Oxidation: Kinetics of Oxidation of Methyl Cellulose Polysaccharide as A Natural Polymer by Chromic Acid in Aqueous Perchlorate Solutions with Novel Synthesis of Coordination Biopolymer Precursors" @default.
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