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Determination of quinol in volumetric analysis

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Summary

A short review is given of the literature concerning volumetric determination of quinol. Comparison of various titration procedures and their possible application shows that the cerimetric determination must be preferred for the standardization of pure quinol solutions; when determining the amount of quinol in mixtures, however, one must usually be content with a titration procedure using dichromate, vanadate, ferricyanide and zinc or bromate-bromide, which each have their special applications. In these cases it is recommended to compare the results of the method chosen with the results of a cerimetric determination using a pure quinol solution.

Zusammenfassung

Es wird ein kurzer Überblick über die Möglichkeiten zur volumetrischen Hydrochinonbestimmung gegeben. Ein Vergleich verschiedener Verfahren zeigt, daß zur Titerstellung reiner Hydrochinonlösungen die Cerimetrie am besten geeignet ist. Zur Hydrochinonbestimmung in Mischungen muß jedoch eine Titration mit Dichromat, Vanadat, Hexacyanoferrat(III) und Zink oder Bromat-Bromid verwendet werden, von denen jede ihre besondere Anwendungsmöglichkeiten besitzt. In diesen Fällen ist es empfehlenswert, die erhaltenen Werte mit denen einer cerimetrischen Bestimmung an einer reinen Hydrochinonlösung zu vergleichen.

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Brinkman, U.A.T., Snelders, H.A.M. Determination of quinol in volumetric analysis. Z. Anal. Chem. 204, 337–344 (1964). https://doi.org/10.1007/BF00513657

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  • DOI: https://doi.org/10.1007/BF00513657

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