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單詞乎

phenolphthalein

音標[,fi:n?l'fθ?li:n]
phenolphthalein是什么意思、phenolphthalein怎么讀

phenolphthalein漢語翻譯

n. 酚酞
【化】 酚酞
【醫(yī)】 酚肽

phenolphthalein英語解釋

名詞 phenolphthalein:

  1. a laxative used in many preparations under various trade names; also used as an acid-base indicator in titrations involving weak acids and strong bases because it is brilliant red at high alkalinity and colorless below pH 8

phenolphthalein詳細解釋

phe.nol.phthal.ein

n.（名詞）
A white or pale yellow crystalline powder, C20H 4O 4, used as an acid-base indicator, in making dyes, and in medicine as a laxative.
苯酚酞：一種白色或淡黃色的晶體粉末，C20H 4O 4，用作酸性指示劑，用于制染料，并在醫(yī)學上用作一種輕瀉劑

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