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100%酒精怎么配75%酒精怎么配步骤
更新时间： 2021-02-22 21:06:47  

1、使用100％的酒精进行稀释即可配制75%酒精。

2、酒精稀释，就是把高浓度的（100％）酒精，加一定体积水后，配制成低浓度的（例如75％）酒精的过程。

3、稀释操作：在100 毫升的干燥干净的量筒中加入78.9 ml的100％酒精，用蒸馏水稀释至100毫升的刻线．然后转移到试剂瓶中，贴上标签。

关键词： 酒精 怎么 步骤

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