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hair_z

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[交流] 【求助】三氯甲烷二甲基乙酰胺不能全部蒸出

用三氯甲烷萃取后二甲基乙酰胺分液后进行蒸馏操作,一共60ml,蒸馏出50ml三氯甲烷后,剩余相蒸不出氯仿(二甲基乙酰胺大概4ml左右)

[ Last edited by hair_z on 2010-4-19 at 09:49 ]
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