Table 3.
procedure | purpose | 72As yield | Ge/As decon. factora |
---|---|---|---|
Distillation | Bulk Ge target removal | (97 ± 1)% | >1.2 × 104 |
AX column | Trace Ge, 67Ga removal | (93 ± 2)% | n/a |
SPE column | Reduction to As(III), concentration in buffered formulation | (57 ± 5)% | n/a |
Overall | Isolate 72As(OH)3 | (50 ± 1)% | >1.2 × 104 |
Decontamination factor determined through MP-AES.