The permselectivities of the bivalent heavy metal cation Cu~(2+), Co~(2+) , Ni~(2+), Zn~(2+) to mag-nesium ion Mg~(2+) across the home-made ELM cation exchange membrane were studied duringthe electrodialysis process.

• 本文研究了电渗析过程中两份重金属阳离子Cu~(2+),Co~(2+),Ni~(2+),Zn~(2+)等对基准离子Mg~(2+)透过国产聚乙烯异相阳膜的选择透过系数,它们在膜内的淌度比以及它们在膜内的选择吸附系数;