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切碎的圆葱能够吸收甲醛吗
更新时间: 2020-11-06 00:00:00  

切碎的圆葱不能够吸收甲醛,洋葱本身散发的气味只会将房间内的甲醛异味给掩盖掉,其实甲醛等有害物还是存在着,没有丝毫的减少。

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: 能够 吸收 甲醛

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