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Gymea, Australia

Le V.S.,Medisotec | Nguyen C.D.,ChoRay Hospital | Le M.K.,Medisotec
Journal of Radioanalytical and Nuclear Chemistry | Year: 2014

Method of W separation from fission-99Mo solution was studied using alumina column and H2SO4/HNO3 eluents. The distribution coefficients of WO4 2- and MoO4 2- ions and the column loading/eluting conditions were investigated to optimize the separation process. 4-6 M H2SO4 solutions were successfully used to elute/separate 99MoO4 2- ions from the alumina column which strongly retained WO4 2- ions without significant W-breakthrough. The developed W/99Mo separation process is fit for being in-line incorporated/integrated in the alkaline dissolution-based process of fission-99Mo recovery currently used in LEU target-based 99Mo production. © 2014 Akadémiai Kiadó, Budapest, Hungary. Source

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