冠醚与碱金属、碱土金属有良好的配位作用，在过去的数十年中基于大环冠醚络合分离碱金属、碱土金属离子(特别是锂离子)的技术被广泛......

In this paper the separation of base metals Fe,Co,Ni and Cu from the platinum metals on a cation exchanger column was st......