| Radioisotope | Half-life |
|---|---|
| 198Au | 2.70 days |
| 14C | 5,700 years |
| 45Ca | 180 days |
| 57Co | 270 days |
| 60Co | 5.27 years |
| 51Cr | 27.8 days |
| 59Fe | 45.1 days |
| 67Ga | 78.3 days |
| 203Hg | 46.6 days |
| 123I | 13.2 hours |
| 125I | 60 days |
| 131I | 8.08 days |
| 111In | 2.83 days |
| 42K | 12.4 hours |
| 81mKr | 13.1 seconds |
| 99Mo | 2.6 years |
| 22Na | 2.6 years |
| 24Na | 15.0 hours |
| 32P | 14.3 days |
| 35S | 87.2 days |
| 75Se | 120 days |
| 85Sr | 64 days |
| 99mTc | 6.0 hours |
| 201Tl | 73.1 hours |
| 133Xe | 5.24 days |
| 169Yb | 32.0 days |
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| Disintegration Constant: |
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