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Number of decays expected in standard scan conditions and time used to acquire an equal amount of positron decays for each radionuclide.
| Nuclide | Positron annihilations in 1200 s for 3.7 MBq | Time to acquire the same number of positron annihilations as 18F (s) |
|---|---|---|
| 18F | 4.03 × 109 | 1200 |
| 68Ga | 3.57 × 109 | 1376 |
| 64Cu | 0.774 × 109 | 6506 |
| 44gSc | 4.07 × 109 | 1190 |
