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词汇 phenolphthalein
释义

phenolphthalein

音标[,fi:n?l'fθ?li:n]

汉语翻译

n. 酚酞
【化】 酚酞
【医】 酚肽

英语解释:

名词 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

详细解释:


phe.nol.phthal.ein

n.(名词)
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:一种白色或淡黄色的晶体粉末,C20H 4O 4,用作酸性指示剂,用于制染料,并在医学上用作一种轻泻剂


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更新时间:2026/10/18 5:01:26