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Digitale Medien

A kinetic study of the permanganate oxidation of triethylamine. Catalysis by soluble colloids (1991)

Perez-Benito, Joaquin F. ; Arias, Conchita

New York, NY : Wiley-Blackwell

International Journal of Chemical Kinetics 23 (1991), S. 717-732

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Details

ISSN: 0538-8066

Schlagwort(e): Chemistry ; Physical Chemistry

Quelle: Wiley InterScience Backfile Collection 1832-2000

Thema: Chemie und Pharmazie

Notizen: The kinetics of the reaction between permanganate ion and triethylamine in aqueous phosphate buffers (pH 6-8) has been studied. The reaction is autocatalytic, a soluble form of colloidal manganese dioxide temporarily stabilized in solution by adsorption of phosphate ions on its surface having been identified as the autocatalyst. The reaction is also catalyzed by gum arabic. Mechanisms in agreement with the kinetic data are proposed for the reaction pathways taking place in the bulk solution (for both triethylamine and triethylammonium ion as reductants) and on both the gum arabic and manganese dioxide colloidal particles.

Zusätzliches Material: 9 Ill.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1002/kin.550230806

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