Karl Fischer titration agent and method
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United States of America Patent
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Apr 26, 1988
Issued Date -
N/A
app pub date -
Dec 5, 1983
filing date -
Mar 5, 1980
priority date (Note) -
Expired
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Abstract
For the titrimetric determination of small amounts of water, a Karl Fischer reagent is used which contains sulfur dioxide, iodine and a nitrogen base as essential components. The use of specific nitrogen bases in place of pyridine, which is conventionally used, is advantageous. Particularly suitable are selected aliphatic amines and nitrogen-containing heterocyclic compounds, especially imidazoles. The pyridine-free titration agent is distinguished by high storage stability and can be used as a bicomponent or monocomponent reagent.
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