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MOP13 | Production of F-18 and Tc-99m Radionuclides using an 11 MeV Proton Accelerating Cyclotron | 83 |
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Funding: The World Academy of Sciences (TWAS) and National Nuclear Energy Agency of Indonesia (BATAN) An 11-MeV proton-accelerating cyclotron has been employed to produce F-18 and Tc-99m radionuclides. In this report, F-18 radionuclide was produced from enriched-water target whereas Tc-99m was generated from natural molybdenum trioxide (MoO3) target. Two recoiled radioactive impurities such as Co-56 and Ag-110m are identified in the F-18 solution whereas N-13 was recognized as an impurity in the Tc-99m production. The Co-56 radionuclidic impurity is presumably sputtered off the havar window in the target system whereas Ag-110m is originally from a silver body housing the enriched water target which is generated by secondary neutron irradiated Ag-109. In addition, N-13 impurity found in the post-irradiated MoO3 target occurs presumably via (p,He-4) nuclear reaction. |
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