Time | Total Activity (µCi) | Activity of 225Ac tin Colloid (µCi) | Activity of supernatant (free 225Ac, µCi) |
T0 | 200 | 180 | 17 |
1 d | 162 | 154 | 8 |
2 d | 146 | 136 | 10 |
5 d | 114 | 105 | 8 |