正丁醚制备实验的改进

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Abstract The experiment of preparing di-n-butyl ether has been improved: the amount of sulfuric acid is cut down suitably, the way of adding n-butyl alcohol is changed, the temperature of reaction end is risen，and the yield of di-n-butyl ether is increased. Moreover，effect of removing n-butyl alcohol from the crude product by saturated calcium chloride solution washing is poor，and better effect is obtained by 50% sulfuric acid washing.

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	QIN Bing-Chang
	JIN Xiao-Ning
	CHEN Yong-Ling
	LI Jing
	MIAO Xiao-Zhuan

Key words： di-n-butyl ether preparation optimization of n-butyl alcohol removing saturated calcium chloride solution 50% sulfuric acid

Cite this article:

QIN Bing-Chang, JIN Xiao-Ning, CHEN Yong-Ling, LI Jing, MIAO Xiao-Zhuan. Improvement of Di-n-butyl Ether Preparation Experiment[J]. Chinese Journal of Chemical Education, 2014, 35(2): 27-30.

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