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甲醛测试温度多少正常值

更新时间: 2020-11-05 00:00:00     

室内甲醛标准是是在温度19摄氏度以上测试的,50平米一个点。

甲醛,化学式HCHO或CH₂O,式量30.03,又称蚁醛。无色气体,刺激性气味,对人眼、鼻等有刺激作用。气体相对密度1.067(空气=1),液体密度0.815g/cm³(-20℃)。熔点-92℃,沸点-19.5℃。易溶于水和乙醇。水溶液的浓度最高可达55%,通常是40%,称做甲醛水,俗称福尔马林(formalin),是有刺激气味的无色液体。

关键词: 甲醛 测试 温度 多少 正常值

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