The oxidation of organic substances with compounds of trivalent manganese. XVIII. A contribution to the coulometric generation of manganese(III) acetate in an acetic acid medium

Abstract

Conditions were found under which manganese(III) acetate can be electrochemically generated at a platinum anode with 100% current efficiency. It was found that even traces of {A table is presented} water decrease the current efficiency of the generation. The observed fact (10) that small amounts of water do not interfere in direct coulometric titrations of some substances can be explained by direct anodic oxidation of substances to be determined. The possibility of a direct coulometric titration of hydroquinone with manganese(III) acetate and an indirect coulometric determination of an unconsumed excess of manganese(III) acetate via its reaction with hydroquinone was further verified. It was confirmed that under the given conditions, the coulometrically prepared reagent is sufficiently stable even for indirect determinations.

Original language	English
Pages (from-to)	55-61
Number of pages	7
Journal	Microchemical Journal
Volume	27
Issue number	1
DOIs	https://doi.org/10.1016/0026-265X(82)90087-X
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)90087-X

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title = "The oxidation of organic substances with compounds of trivalent manganese. XVIII. A contribution to the coulometric generation of manganese(III) acetate in an acetic acid medium",

abstract = "Conditions were found under which manganese(III) acetate can be electrochemically generated at a platinum anode with 100% current efficiency. It was found that even traces of {A table is presented} water decrease the current efficiency of the generation. The observed fact (10) that small amounts of water do not interfere in direct coulometric titrations of some substances can be explained by direct anodic oxidation of substances to be determined. The possibility of a direct coulometric titration of hydroquinone with manganese(III) acetate and an indirect coulometric determination of an unconsumed excess of manganese(III) acetate via its reaction with hydroquinone was further verified. It was confirmed that under the given conditions, the coulometrically prepared reagent is sufficiently stable even for indirect determinations.",

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T1 - The oxidation of organic substances with compounds of trivalent manganese. XVIII. A contribution to the coulometric generation of manganese(III) acetate in an acetic acid medium

AU - Barek, J.

AU - Berka, A.

AU - Jakubec, K.

PY - 1982/1/1

Y1 - 1982/1/1

N2 - Conditions were found under which manganese(III) acetate can be electrochemically generated at a platinum anode with 100% current efficiency. It was found that even traces of {A table is presented} water decrease the current efficiency of the generation. The observed fact (10) that small amounts of water do not interfere in direct coulometric titrations of some substances can be explained by direct anodic oxidation of substances to be determined. The possibility of a direct coulometric titration of hydroquinone with manganese(III) acetate and an indirect coulometric determination of an unconsumed excess of manganese(III) acetate via its reaction with hydroquinone was further verified. It was confirmed that under the given conditions, the coulometrically prepared reagent is sufficiently stable even for indirect determinations.

AB - Conditions were found under which manganese(III) acetate can be electrochemically generated at a platinum anode with 100% current efficiency. It was found that even traces of {A table is presented} water decrease the current efficiency of the generation. The observed fact (10) that small amounts of water do not interfere in direct coulometric titrations of some substances can be explained by direct anodic oxidation of substances to be determined. The possibility of a direct coulometric titration of hydroquinone with manganese(III) acetate and an indirect coulometric determination of an unconsumed excess of manganese(III) acetate via its reaction with hydroquinone was further verified. It was confirmed that under the given conditions, the coulometrically prepared reagent is sufficiently stable even for indirect determinations.

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