The effects of solvent, temperature, additive and separation time on the refinement process of crude anthracene by using emulsion-crystallization were reported.
采用乳化结晶法，研究了粗蒽精制过程中溶剂、温度、助剂及分离时间的作用。
So benzene and DMF from the some solvents separate crude anthracene.
因此，从这些溶剂中选出苯和DMF来进行分离粗葱。
A method for preparing anthraquinone from crude anthracene liquid oxide.
粗蒽液相氧化制取蒽醌的方法。
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