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Spectrophotometric evidence for the formation of short-lived hypomanganate(V) and manganate(VI) transient species during the oxidation of K-carrageenan by alkaline permanganate

✍ Scribed by Gamal A. Ahmed; Ahmed Fawzy; Refat M. Hassan

Book ID: 108080441
Publisher: Elsevier Science
Year: 2007
Tongue: English
Weight: 252 KB
Volume: 342
Category: Article
ISSN: 0008-6215
DOI: 10.1016/j.carres.2007.03.022

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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