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采用乙醇作溶剂,用重结晶方法对均四甲苯行精制,精制后的均四甲苯纯度可以达到99wt%以上。
Using ethanol as a solvent, the method of recrystallization of mesitylene line refining, purified tetramethylbenzene purity can reach 99wt% or more.