Wijs method


: a method for determining the iodine number (as of an oil or fat) that consists in adding a solution of iodine monochloride in glacial acetic acid and estimating the excess of unused halogen by titration with sodium thiosulfate

Word History


after Jacob J. Alexander Wijs †1942 Dutch analytical chemist

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Dictionary Entries Near Wijs method

Cite this Entry

“Wijs method.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Wijs%20method. Accessed 4 Dec. 2023.

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