藥用酒精要怎麼調 - 酒精
By Olga
at 2005-01-10T00:00
at 2005-01-10T00:00
Table of Contents
原料是什麼
要去哪裡買
可以隨便買到嗎??
還有 酒精濃度是多少??
要去哪裡買
可以隨便買到嗎??
還有 酒精濃度是多少??
Tags:
酒精
All Comments
By Tracy
at 2005-01-13T16:26
at 2005-01-13T16:26
如果說原料的話...就是酒精和水吧
藥房中就可以買到了
如果是工業用酒精的話是99.5%的酒精
By Anthony
at 2005-01-13T23:18
at 2005-01-13T23:18
N1V1=N2V2
例如:
95%酒精,欲配製成75%酒精,需要量為
1000mL
0.95*V1=0.75*1000
0.95*V1=750
V1=750/0.95
V1=789 約為790
即取用95%酒精790mL
(1000mL-790mL=210mL)
再加入210mL的水
就可以配製成75%酒精,共1000mL
By Odelette
at 2005-01-13T03:01
at 2005-01-13T03:01
但...有消毒作用的是70~75%
所以就是要來稀釋了喔~~
公式如下
N1V1=N2V2
N1:原來酒精的濃度
V1:原來酒精的體積
N2:欲配酒精的濃度
V2:配完酒精的體積
例如
95% 酒精500ML...欲配75%
0.95*500=0.75*V2
475=0.75*V2
V2=633.33
所以..加水量=633-500=133ML
By Faithe
at 2005-01-13T09:49
at 2005-01-13T09:49
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