| 摘要 |
Extraction of molybdenum, tungsten and vanadium from aqs. solns The aq. soln. contg. at least two of the metals, Mo, W and V is contacted with polyethylene imine-cellulose in a column. - The metal contg. ions are selectively eluted from the polyethylene imine-cellulose using a solution which does not contain these metals and having a basicity or acidity which is different from that of the aq. solution. - Mo, W and V in solution are then extracted individually in known manner.
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