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铜镜反应
释义
铜镜反应
tóng jìng fǎn yìng
能形成铜镜的反应,由硫酸铜与氢氧化钠反应,生成氢氧化铜,再用乙醛还原,即有红色的氧化亚铜沉淀产生,在试管壁上形成铜镜。常用此反应检验醛基的存在。
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更新时间:2026/10/1 3:12:42