专家建议用来消毒的酒精是什么?

2025-02-06 05:59:55
推荐回答(5个)
回答1:

消毒的酒精一般指医用酒精,常用浓度为75%。

医用酒精的主要成分是乙醇,并且它是混合物。医用酒精是用淀粉类植物经糖化再发酵经蒸馏制成,相当于制酒的过程,但蒸馏温度比酒低,蒸馏次数比酒多,酒精度高,制成品出量高,含酒精以外的醚、醛成分比酒多,不能饮用,但可接触人体医用。是植物原料产品。

回答2:

75%医用酒精。
酒精消毒的机理为:
要使蛋白质变性,就要让蜷曲、螺旋的蛋白质分子长链舒展、松弛,其中关键是破坏形成蜷曲和螺旋的各种力。酒精分子有两个末端,一端是憎水的(一C2H5),可以破坏蛋白质内部憎水基团之间的吸引力;一端是亲水的(一OH),但它难以破坏蛋白质外部的亲水基团之间的吸引力。另一方面,水分子虽然可以松弛蛋白质亲水基团之间的吸引力,但它即使钻进细菌内部,也无法破坏其蛋白质中憎水基团之间的吸引力。所以,纯酒精或水都不足以使细菌内的蛋白质变性,只有酒精和水共同存在,同时使保持蛋白质几何形状的各种吸引力松弛,蛋白质才会失去生理活性。因此,只有一定浓度的酒精溶液,才能达到良好的消毒杀菌目的。
过高浓度的酒精会在细菌表面形成一层保护膜,阻止其进入细菌体内,难以将细菌彻底杀死。若酒精浓度过低,虽可进入细菌,但不能将其体内的蛋白质凝固,同样也不能将细菌彻底杀死。

回答3:

专家建议用来消毒的酒精属于专业的医用酒精。这种酒精的浓度是75%,可以有效杀灭多种对人体有害的细菌。病毒等等。
不过专家又建议说这种酒精,因为具有很强的可燃性,所以一定要注意防火。
不要用喷洒的方式进行。要用涂抹。比如用这种酒精来洗手,就是含有消毒酒精的洗手液来洗手。
很多的免洗洗手液中都含有酒精的成分,因为酒精具有很强的挥发性。
以上就是消毒酒精的主要特点,希望对你有所帮助。

回答4:

专家建议用来消毒的酒精就是我们平时给皮肤消毒用的75%的医用酒精,你在一般的药店就可以买到,或者现在在京东和淘宝上也可以买到的

回答5:

专家建议用来消毒,酒精是医用酒精75%度的,抑制和消灭细菌,75%度的酒精在药店网上都可以买到

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