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单词 phenolsulfonephthalein
释义

WordReference Random House Unabridged Dictionary of American English © 2024
phe•nol•sul•fone•phthal•ein  (fē′nôl sul′fōn thalēn, -ē in, -fthal-, -nol-),USA pronunciation n. [Chem.]
  1. Chemistry, Drugsa bright to dark red crystalline compound, C19H14O5S, slightly soluble in water, alcohol, and acetone: used as an acid-base indicator and as a diagnostic reagent in medicine. Also called phenol red. 
  • phenol + sulfone + phthalein

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