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Base-catalyzed oxidation of some sulfated macromolecules: Kinetics and mechanism of formation of intermediate complexes of short-lived manganate (VI) and/or hypomanganate (V) during oxidation of iota- and lambda-carrageenan polysaccharides by alkaline permanganate

✍ Scribed by R.M. Hassan; A. Fawzy; A. Alarifi; G.A. Ahmed; I.A. Zaafarany; H.D. Takagi

Publisher: Elsevier Science
Year: 2011
Tongue: English
Weight: 572 KB
Volume: 335
Category: Article
ISSN: 1381-1169
DOI: 10.1016/j.molcata.2010.11.011

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## Abstract Kinetics and mechanism of the disproportionation of MnO~4~^−^ via [CMC—Mn^VI^O~4~^2−^] intermediate complex formation during the oxidation of carboxymethyl cellulose (CMC) polysaccharide have been investigated spectrophotometrically at pH ≥12 and various temperatures (15–35^°^C). The ra