A New99m Tc Generator using Cerium (IV) Oxide as an Adsorbent for99 Mo

Subject Areas : Journal of Physical & Theoretical Chemistry

H. Salehi ¹ (-)
E. Mollarazi ² (-)
H. Abbasi ³ (-)
M. Zoghi ⁴ (-)

Received: 2015-04-25 Accepted : 2015-04-25 Published : 2008-02-01

Keywords: Generators, technetium-99m, molybdenum-99, Cerium (IV) oxide,

Abstract :

In this research, a new technetium-99m generator has been developed with addition of Cerium oxide to alumina column. The adsorption behaviors of 99Mo in the form of molybdate and 99mTc in the form of pertechnetate on CeO2/Al2O3 was investigated and showed that the adsorption capacity of molybdate on this generator is higher than usual generator using Al2O3. Ceric ions were selected as an additive for the alumina because of their powerful oxidizing character and led to considerable yield. 99mTc is eluted with 0.9% NaCl and radionuclidic, radiochemical and chemical purities of the eluate were checked. This generator has a great potential as compared to the traditional alumina generators.

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A New99m Tc Generator using Cerium (IV) Oxide as an Adsorbent for99 Mo