Concentration of Rare Earth Elements in Rocks with HEH (EHP)Loaded Polyurethane Foam Col umn
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ABSTRACT
he separation of interfering elements is effecled on a HEH(EHP)Loaded polyurethanefoam column.The method is more satisfactory than the use of a HEH(EHP)extraction resincolumn,as the behavior of some elements is different on the two columns, Concentrating
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