天气预报 > 生活 > 酒精消毒最适宜的浓度
酒精消毒最适宜的浓度
更新时间: 2019-02-24 00:00:00  

浓度为75%的酒精杀菌力最强,所以医用消毒酒精一般都是含75%的纯酒精和25%的水。酒精的分子具有很大的渗透能力,它能穿过细菌表面的膜,打入细菌的内部,使构成细菌生命基础的蛋白质凝固,将细菌杀死。

关键词: 酒精 消毒 适宜 浓度

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