•Pass
the germanium depleted aqueous target solution through 5 - 15 g alumina column (equilibrated
with 12 M HCl)
•Zr-88/Y-88 retained on column
•Rinse
column 2x with 12 M HCl to remove gallium and niobium mass
•Elute
Zr-88 from column with solution of
1M HF/1M HCL; Y-88 retained