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Influence of Manganese(II) and Fluoride Ions on the Kinetics and Mechanism of Oxidation of DL-α-Alanine by Permanganate Ion in Acid Perchlorate Media

Refat M. Hassan ; Department of Chemistry, Faculty of Science, Assiut University, Assiut, Egypt 71516

Puni tekst: engleski, pdf (12 MB) str. 237-247 preuzimanja: 226* citiraj
APA 6th Edition
Hassan, R.M. (1991). Influence of Manganese(II) and Fluoride Ions on the Kinetics and Mechanism of Oxidation of DL-α-Alanine by Permanganate Ion in Acid Perchlorate Media. Croatica Chemica Acta, 64 (2), 237-247. Preuzeto s https://hrcak.srce.hr/137342
MLA 8th Edition
Hassan, Refat M.. "Influence of Manganese(II) and Fluoride Ions on the Kinetics and Mechanism of Oxidation of DL-α-Alanine by Permanganate Ion in Acid Perchlorate Media." Croatica Chemica Acta, vol. 64, br. 2, 1991, str. 237-247. https://hrcak.srce.hr/137342. Citirano 23.09.2020.
Chicago 17th Edition
Hassan, Refat M.. "Influence of Manganese(II) and Fluoride Ions on the Kinetics and Mechanism of Oxidation of DL-α-Alanine by Permanganate Ion in Acid Perchlorate Media." Croatica Chemica Acta 64, br. 2 (1991): 237-247. https://hrcak.srce.hr/137342
Harvard
Hassan, R.M. (1991). 'Influence of Manganese(II) and Fluoride Ions on the Kinetics and Mechanism of Oxidation of DL-α-Alanine by Permanganate Ion in Acid Perchlorate Media', Croatica Chemica Acta, 64(2), str. 237-247. Preuzeto s: https://hrcak.srce.hr/137342 (Datum pristupa: 23.09.2020.)
Vancouver
Hassan RM. Influence of Manganese(II) and Fluoride Ions on the Kinetics and Mechanism of Oxidation of DL-α-Alanine by Permanganate Ion in Acid Perchlorate Media. Croatica Chemica Acta [Internet]. 1991 [pristupljeno 23.09.2020.];64(2):237-247. Dostupno na: https://hrcak.srce.hr/137342
IEEE
R.M. Hassan, "Influence of Manganese(II) and Fluoride Ions on the Kinetics and Mechanism of Oxidation of DL-α-Alanine by Permanganate Ion in Acid Perchlorate Media", Croatica Chemica Acta, vol.64, br. 2, str. 237-247, 1991. [Online]. Dostupno na: https://hrcak.srce.hr/137342. [Citirano: 23.09.2020.]

Sažetak
The kinetics of permanganate oxidation of DL-a-alanine in aqueous perchloric acid solution, at a constant ionic strength of 2.0 mol dm , was investigated spectrophotometrically. The reaction was found to be second- -order overall kinetics in the concentration of both reactants in the slow initial stage, but the second-order kinetics are not, however, maintained throughout the relatively fast final stage of reaction. Addition of Mn2+ ion was found to accelerate the oxidation reaction, whereas a retardation in the reaction rate was observed on addition of F" ion. This fact leads to the prediction that Mn(III) and/or Mn(IV) play an important role in the reaction kinetics. A tentative mechanism consistent with the kinetics is discussed.

Hrčak ID: 137342

URI
https://hrcak.srce.hr/137342

Posjeta: 309 *