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phenolphthalein

C2 noun

phenolphthalein /ˌfi.nl̩ˈθæl.i.ɪn/ nghĩa là phenolphtalein

Các nghĩa

  1. phenolphtalein

    A white or yellowish-white crystalline compound C₂₀H₁₄O₄ used in medicine as a laxative and in analysis as an indicator because its solution is brilliant red in alkalies and is decolorized by acids.

    countable · uncountable

    After transfering the acid to a 150-mL Erlenmeyer flask, add 60 mL of deionized water and 2 drops of phenolphthalein.

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