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Table 1 Radioisotopic composition of radioscandium from the irradiation of natural calcium targets with 16 MeV protons

From: Comparison of scandium-44 g with other PET radionuclides in pre-clinical PET phantom imaging

Isotope Half-life Percent activity at EOB Percent activity at 9.5 h post EOB
44gSc 3.97 h 94.9 90.1
43Sc 3.89 h 3.6 3.2
44mSc 58.61 h 0.5 2.1
47Sc 3.35 d 0.4 1.8
48Sc 43.67 h 0.6 2.7