Karl Fischer reagent


Karl Fisch·​er reagent
: a colored solution of pyridine, sulfur dioxide, iodine, and anhydrous methanol that reacts quantitatively with water to form a colorless solution and is used to determine the amount of water in numerous substances

Word History


after Karl Fischer, 20th century German chemist

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Cite this Entry

“Karl Fischer reagent.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Karl%20Fischer%20reagent. Accessed 4 Oct. 2023.

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