Liquid-lquid equilbrium(LLE)data of water-caprolactam-benzene-(NH4)2SO4 system at 303K were measured for extraction of c......

用脉冲填料（锌粒）柱还原铕，在直径５０ｍｍ，板段高６ｍ的振动筛板柱中，用还原萃取法进行提取高纯铕的工业性试验，萃余液经萃取除杂后，获一定量的荧光级......