| EDTA | DTPA | |||
0.1 mM | 0.5 mM | 1 mM | 0.01 mM | 0.05 mM | |
Eluted Am (%) | 72 ± 4 | 71 ± 7 | 95 ± 6 | 70 ± 7 | 81 ± 8 |
Eluted U (%) | 2 ± 2 | 25 ± 3 | 49 ± 5 | 1 ± 1 | 3 ± 2 |