Scandium-44
Scandium-44 (44Sc) is a radioactive isotope of scandium that decays by positron emission to stable 44Ca with a half-life of 4.042 hours.
| General | |
|---|---|
| Symbol | 44Sc |
| Names | scandium-44, 44Sc, Sc-44 |
| Protons (Z) | 21 |
| Neutrons (N) | 23 |
| Nuclide data | |
| Natural abundance | Trace |
| Half-life (t1/2) | 4.042 h |
| Isotope mass | 43.9594029 Da |
| Spin | 2+ |
| Parent isotopes | 44Ti (EC) |
| Decay products | 44Ca |
| Decay modes | |
| Decay mode | Decay energy (MeV) |
| β+ | 3.652 |
| Isotopes of scandium Complete table of nuclides | |
44Sc can be obtained as a daughter radionuclide of long-lived 44Ti (t1/2 60.4 a) from 44Ti /44Sc generator or can be produced by nuclear reaction 44Ca ( p, n)44Sc in small cyclotrons. This isotope is of potential interest for clinical PET imaging.
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