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The decay Isotopes, Gamma-ray Energy and Gamma disintegration.
| Radioactive Series | Decaying Isotopes | Gamma-ray Energy (keV) | Percentage of Gamma Disintegration (%) |
|---|---|---|---|
| Uranium | 214Pb (for 238U decay series) | 352.0 | 35 |
| 214Bi (for 238U decay series) | 609.4 | 43 | |
| Thorium | 208Tl (for 232Th decay series) | 583.1 | 30 |
| 228Ac (for 232Th decay series) | 911.1 | 29 | |
| Kalium | 40K | 1460.8 | 10.68 or 11 |
