皂化實驗(15點) - 酒精
By Sierra Rose
at 2011-04-13T00:00
at 2011-04-13T00:00
Table of Contents
器材:百分之九十五的酒精、8M的氫氧化鈉、椰子油、飽和食鹽水、廣用試紙、酚酞步驟:一、加入酒精2.5ml,均勻溶解椰子油5ml,使完全反應,放置酒精燈上二、加入氫氧化鈉5ml直到聞不到酒精味三、加入蒸餾水10ml,均勻攪拌後停止加熱四、倒入飽和食鹽水中,肥皂浮於水面上以分離,撈起肥皂以清��
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酒精
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By Mary
at 2011-04-15T08:34
at 2011-04-15T08:34
By Oliver
at 2011-04-16T20:25
at 2011-04-16T20:25
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