Oxidation of organic substances with compounds of trivalent manganese. XXIII. Preparation, stability, and determination of the titer of standard solutions of the fluoride complex of trivalent manganese

Abstract

A method of preparation of 10^-2 -10^-3M standard solutions of the fluoride complex of manganese(III) by the reaction of manganese(II) with permanganate in a medium of potassium fluoride acidified with sulfuric acid has been developed. It has been found that in a medium of 1 M sulfuric acid, 0.5 M manganese(II) sulfate, and 0.1 M potassium fluoride these solutions are sufficiently stable for both direct and indirect titrimetric determinations. The titer was determined using potassium iodide as a primary standard and potentiometric, bipotentiometric, or biamperometric titration.

Original language	English
Pages (from-to)	393-400
Number of pages	8
Journal	Microchemical Journal
Volume	27
Issue number	3
DOIs	https://doi.org/10.1016/0026-265X(82)90029-7
Publication status	Published - 1 Jan 1982
Externally published	Yes

ASJC Scopus subject areas

Analytical Chemistry
Spectroscopy

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10.1016/0026-265X(82)90029-7

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Oxidation of organic substances with compounds of trivalent manganese. XXIII. Preparation, stability, and determination of the titer of standard solutions of the fluoride complex of trivalent manganese. / Barek, J.; Berka, A.; Skokánková, H.

In: Microchemical Journal, Vol. 27, No. 3, 01.01.1982, p. 393-400.

Research output: Contribution to journal › Article › peer-review

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abstract = "A method of preparation of 10-2 -10-3M standard solutions of the fluoride complex of manganese(III) by the reaction of manganese(II) with permanganate in a medium of potassium fluoride acidified with sulfuric acid has been developed. It has been found that in a medium of 1 M sulfuric acid, 0.5 M manganese(II) sulfate, and 0.1 M potassium fluoride these solutions are sufficiently stable for both direct and indirect titrimetric determinations. The titer was determined using potassium iodide as a primary standard and potentiometric, bipotentiometric, or biamperometric titration.",

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AB - A method of preparation of 10-2 -10-3M standard solutions of the fluoride complex of manganese(III) by the reaction of manganese(II) with permanganate in a medium of potassium fluoride acidified with sulfuric acid has been developed. It has been found that in a medium of 1 M sulfuric acid, 0.5 M manganese(II) sulfate, and 0.1 M potassium fluoride these solutions are sufficiently stable for both direct and indirect titrimetric determinations. The titer was determined using potassium iodide as a primary standard and potentiometric, bipotentiometric, or biamperometric titration.

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