嗯!!純酒精的問題.. - 酒精
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By Candice
at 2005-04-29T00:00
at 2005-04-29T00:00
Table of Contents
為啥有人說 酒精一定要加到.. 好像幾比幾吧!? 3比1!!?
才會有殺菌的作用!!?
然後 若真的加水之後... 為什ㄇ 會起作用呀!!? 燙燙ㄉ~"~a
ㄎㄎ
才會有殺菌的作用!!?
然後 若真的加水之後... 為什ㄇ 會起作用呀!!? 燙燙ㄉ~"~a
ㄎㄎ
Tags:
酒精
All Comments
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By Margaret
at 2005-05-01T00:31
at 2005-05-01T00:31
為什ㄇ這樣可以達到最佳效果呢?
因為,當使用用100%的酒精,只會殺到細菌的表面,細菌表面會行成硬硬的類似保護體,造成細菌內部並沒有影響,所以細菌還沒死
當使用75%的酒精,會使細菌死亡
燙燙的是因為稀釋一些化學物品會產生熱,稱為放熱作用,
就像是稀釋酸性溶液會鹼性溶液一樣,會產生熱
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By Donna
at 2005-04-29T12:38
at 2005-04-29T12:38
怎麼會是75%~
是數學有問題喔?
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By Ula
at 2005-05-02T21:10
at 2005-05-02T21:10
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