Electrolytic solution fork Karl Fischer coulometric titration an

Chemistry: analytical and immunological testing – Determination of water – By use of a karl fischer reagent

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436166, 436106, 436111, G01N 3318

Patent

active

059623284

ABSTRACT:
An electrolytic solution for Karl Fischer coulometric titration is disclosed which consists mainly of an amine, sulfur dioxide, iodide ions, and a solvent which is a mixed solvent comprising (a) propylene carbonate and (b) a dialkylene glycol monoalkyl ether (wherein the alkylene groups and the alkyl group each have from 1 to 4 carbon atoms). The electrolytic solution, which is based on a less toxic solvent, has fewer side reactions with ketones and is useful in accurately determining the water content of ketones.

REFERENCES:
patent: 5401662 (1995-03-01), Matschiner et al.

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