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甲醛检测值多少正常空气值
更新时间: 2020-11-03 00:00:00  

根据中华人民共和国国家标准,室内空气中甲醛的最大允许浓度为0.08mg/立方米。甲醛含量在0.09mg/m3-0.3mg/m3之间属于轻度污染,容易感冒,免疫力下降,早上起床时喉咙干燥,喉咙痛。

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 检测 多少 正常 空气

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