Table 1.
Absorbed doses (Gy) from 225Ac (400 nCi) and its free daughters 213Bi and 221Fr
| Organs |
225Ac at Equilibriuma |
Free 213Bib | Free 221Fr c | Total Alpha Dosed | Total Beta Dosed |
|---|---|---|---|---|---|
| Blood | 2.71 | -0.12 | -0.25 | 2.29 | 0.05 |
| Heart | 1.07 | 0.00 | 0.00 | 1.04 | 0.02 |
| Lung | 0.43 | -0.01 | -0.01 | 0.39 | 0.01 |
| Liver | 8.25 | -0.01 | -0.05 | 8.00 | 0.19 |
| Spleen | 7.42 | -0.01 | 0.00 | 7.24 | 0.17 |
| Kidney | 1.20 | 0.54 | 0.23 | 1.91 | 0.07 |
| Stomach | 0.17 | 0.00 | 0.04 | 0.20 | 0.00 |
| Intestine | 0.52 | 0.00 | 0.01 | 0.52 | 0.01 |
| Femur | 0.56 | 0.00 | 0.00 | 0.54 | 0.01 |
| Tumor | 10.49 | 0.00 | 0.00 | 10.24 | 0.25 |
a
Includes doses from alphas and electrons of 225Ac and daughters in equilibrium.
b
Includes doses from alphas and electrons of 213Bi daughters, 213Po, 209Ti and 209Pb.
c
Includes alphas from 221Fr daughter, 217At.
d
Total doses are presented as doses from alpha-particle and beta-particle emissions, respectively.