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General | |
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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[1] |
Isotope mass | 43.9594029[2] 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 |
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.
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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