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单词
phthalein
释义
phthalein
[ˈθæli:n,ˈθæliin]
酞:由酞酸酐和酚缩合而成的一系列有色物质,其中一些有致泻作用。见phenolphthalein
习惯用语
  
alpha-naphthol phthalein
α-萘酚酞:用来测定氢离子浓度的指示剂,其pH范围是9.3~10.5
  
orthocresol phthalein
邻甲酚酞:用来测定氢离子浓度的指示剂,其pH范围是8.2~9.8
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更新时间:2025/9/3 2:06:14