phenolphthalein

英 [ˌfiːnɒl'fθæliːn] 美 ['fiːnɒl'θæliːn]

• n. 酚酞

英英释义

Noun:

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

例句

用作名词 (n.)

1. Examples are litmus and phenolphthalein.
   例如石蕊和酚酞。
2. The paper presents a novel method for the separation and preconcentration of vanadium with microcrystalline phenolphthalein as the sorbent.
   建立了以微晶酚酞作为吸附剂分离富集环境水样中痕量钒的新方法。

词汇搭配

• phenolphthalein test 酚酞试验
• phenolphthalein indicator 酚酞指示剂
• phenolphthalein alkalinity 酚酞碱度
• methyl red phenolphthalein 甲基红酚酞
• phenolphthalein test paper 酚酞试纸