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100%酒精怎麼配75%酒精怎麼配步驟
100%酒精怎麼配75%酒精怎麼配步驟
更新时间:2025-09-06 01:10:13

  1、使用100%的酒精進行稀釋即可配制75%酒精。

  2、酒精稀釋,就是把高濃度的(100%)酒精,加一定體積水後,配制成低濃度的(例如75%)酒精的過程。

  3、稀釋操作:在100 毫升的幹燥幹淨的量筒中加入78.9 ml的100%酒精,用蒸餾水稀釋至100毫升的刻線.然後轉移到試劑瓶中,貼上标簽。

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