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单词 twitchell reagent
释义 twitchell reagent
noun
Usage: usually capitalized T
Etymology: after E. Twitchell
: any of various sulfonated products used as catalysts in the Twitchell process: as
 a. : a sulfonic acid made by condensing oleic acid with naphthalene in the presence of sulfuric acid
 b. : a sulfonated petroleum product
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