The generally used term “Karl Fischer solution” creates the impression that there is only one type of solution given by Karl Fischer himself and applied throughout. But this is not true. Many different reagents have been reported in the last 50 years. Concentrations and mole ratios have been changed, solvents have been substituted and last not least the unpleasant pyridine has been replaced by other bases. The one-component reagents have been supplemented by two-component reagents and by coulometric reagents.
KeywordsTitration Iodide Ketone Oxalate Azole
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