The oxidation of organic substances by compounds of tervalent manganese-I Oxidation of mandelic acid, ethylene glycol, glycerol and d-mannitol by the pyrophosphate complex of manganese(III) and by manganese(III) sulphate

J. Barek, A. Berka, I. Procházková

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Abstract

The oxidation of mandelic acid, ethylene glycol, glycerol and d-mannitol by the pyrophosphate complex of manganese(III) and with manganese(III) sulphate was studied. It was shown that benzaldehyde is formed by oxidation of mandelic acid, which undergoes no further oxidation. In the case of ethylene glycol, glycerol and d-mannitol the reactions do not follow a simple course and therefore are not of analytical utility. The effect of acidity and time on the course of the reactions was found and a procedure for the indirect titrimetric determination of mandelic acid with both reagents proposed.

Original language	English
Pages (from-to)	157-161
Number of pages	5
Journal	Talanta
Volume	21
Issue number	2
DOIs	https://doi.org/10.1016/0039-9140(74)80037-8
Publication status	Published - 1 Jan 1974
Externally published	Yes

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Barek, J., Berka, A., & Procházková, I. (1974). The oxidation of organic substances by compounds of tervalent manganese-I Oxidation of mandelic acid, ethylene glycol, glycerol and d-mannitol by the pyrophosphate complex of manganese(III) and by manganese(III) sulphate. Talanta, 21(2), 157-161. https://doi.org/10.1016/0039-9140(74)80037-8

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AB - The oxidation of mandelic acid, ethylene glycol, glycerol and d-mannitol by the pyrophosphate complex of manganese(III) and with manganese(III) sulphate was studied. It was shown that benzaldehyde is formed by oxidation of mandelic acid, which undergoes no further oxidation. In the case of ethylene glycol, glycerol and d-mannitol the reactions do not follow a simple course and therefore are not of analytical utility. The effect of acidity and time on the course of the reactions was found and a procedure for the indirect titrimetric determination of mandelic acid with both reagents proposed.

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10.1016/0039-9140(74)80037-8