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phenolphthalein

/ˌfiː.nɒlˈfθeɪ.liːn/

Traduction: Composé chimique utilisé comme indicateur acido-basique, incolore en solution acide et devenant rose vif ou rouge en solution alcaline ; également utilisé historiquement comme laxatif.

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noun

/ˌfiː.nɒlˈfθeɪ.liːn/C2formalscientific
  • frComposé chimique utilisé comme indicateur acido-basique, incolore en solution acide et devenant rose vif ou rouge en solution alcaline ; également utilisé historiquement comme laxatif.

A chemical compound used as an acid-base indicator, turning colorless in acidic solutions and bright pink or red in alkaline solutions; also historically used as a laxative.

  1. Chemical compoundC2formalscientific

    A white or yellowish crystalline compound used as an acid-base indicator and formerly as a laxative.

    frphénolphtaléine

    • Phenolphthalein turns pink in basic solutions and is colorless in acidic ones.
    • The chemist added phenolphthalein to the flask to detect the endpoint of the titration.
    • Phenolphthalein was once a common ingredient in over-the-counter laxatives.
Formes
  • phenolphthaleins plural form
  • phenolphthaleins' possessive plural form
  • phenolphthalein's possessive singular form