DMF和水二元体系中离子液体3,3'-[1,2-ethanediylbis (oxy-2,1-ethanediyl)]- bis[1-methyl- imidazolium] bis(hexafluorophosphate) in Dimethyl Formamide 的溶解度，郭佳荣，庄玲华，本文合成并通过核磁验证了新型双阳离子型离子液体3,3'-[1,2-ethanediylbis(oxy-2,1-ethanediyl)]-bis[1-methyl-imidazolium]- bis(he