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Comparison of the radioactivity of natural and depleted uranium.
| radioactivity | natural uranium | depleted uranium | |
|---|---|---|---|
| isotope | Ci g−1 | isotope ratio (%) | isotope ratio (%) |
| 234U | 6200 | 0.01 | 0.00 |
| 235U | 2.2 | 0.72 | 0.20 |
| 238U | 0.33 | 99.28 | 99.80 |
| relative radioactivity | 1 | 0.6 |
