A colored solution of iodine, sulfur dioxide, and pyridine in methanol. It reacts quantitatively with water, becoming colorless. It is used to determine small amounts of water in a wide range of materials, including many polymerics. (Goldberg DE (2003) Fundamentals of chemistry. McGraw-Hill Science/Engineering/Math, New York).
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Gooch, J.W. (2011). Karl Fischer Reagent. In: Gooch, J.W. (eds) Encyclopedic Dictionary of Polymers. Springer, New York, NY. https://doi.org/10.1007/978-1-4419-6247-8_6625
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