一般的消毒酒精濃度是多少?要怎麼作啊?(從95度的藥用酒精) - 酒精
By Mary
at 2005-07-12T00:00
at 2005-07-12T00:00
Table of Contents
一般的消毒酒精濃度是多少?
要怎麼作啊?(從95度的藥用酒精)
要怎麼作啊?(從95度的藥用酒精)
Tags:
酒精
All Comments
By Victoria
at 2005-07-15T01:14
at 2005-07-15T01:14
75% ethanol的製作,以一公升95%的酒精計算,需再加蒸餾水317 c.c.,就可以調成75%的酒精。
1000 * 95%
------------------------ = 75%
1000.95% + X
X = 317
[補充說明]計算95%酒精時,一定要考慮到裡頭含有5%的水分,除非是100%無水酒精,才能用N1V1 = N2V2這個公式,否則會有非常大的誤差。
By Edward Lewis
at 2005-07-13T00:12
at 2005-07-13T00:12
就是一般的消毒用的酒精
By Belly
at 2005-07-15T21:00
at 2005-07-15T21:00
稀釋.....95%酒精要稀釋成75%酒精 大約每100ML加入約25CC的蒸餾水
藥局賣的酒精用褐色的裝是工業用的歐~~透明得才是藥用的~~^^
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