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Revista de Chimie (Rev. Chim.), Year 2011, Volume 62, Issue 3,





CATALINA CIMPEANU, CATALINA BARNA, Ion Mihalcea, CORNELIU PODINA, PETRE BUSUIOC
99Mo/99mTc Gel Generator Based on the 99Mo-Zr Gel Technology with 99Mo Obtained by Irradiation at Nuclear Reactor

Abstract:

In this paper a new type of generator, named 99Mo/99mTc gel generator, is presented. It is based on a polypropylene column filled with zirconium-molybdenum matrix, 99Mo-Zr; the raw material is 99Mo obtained by nuclear reaction 98Mo (n,g) 99Mo at nuclear reactor. The advantages of the 99Mo/99mTc gel generator are: the radionuclide 99Mo obtained by (n,g) nuclear reaction is less expensive than 99Mo obtained by separation from fission fragments; the Na99mTcO4 solution obtained by elution from 99Mo/99mTc gel generator has chemical, radiochemical and radionuclidic purity higher than the classic generator with alumina column; in this case the alpha, beta-gamma fission fragments are not present; 99Mo binding is much stronger in zirconium- molybdenum matrix (in this matrix bounds are chemical), than in classical generator where 99Mo are absorbed on the alumina column (interactions are physical). Key words: 99Mo/99mTc gel generator; radiopharmaceutical products; radiodiagnosis


Issue: 2011, Volume 62, Issue 3
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