G - Physics – 01 – N
Patent
G - Physics
01
N
358/24, 167/47
G01N 33/60 (2006.01) C01G 99/00 (2010.01) B01J 43/00 (2006.01)
Patent
CA 1219208
CANADIAN PATENT APPLICATION TITLE: "TREATMENT OF TECHNETIUM CONTAINING SOLUTIONS" INVENTORS: PHILIP WILLIAM MOORE JOHN MARTIN SODEAU MICHAEL SHYING JOHN VINCENT EVANS ABSTRACT An inital aqueous pertechnetate solution which has a low electrolyte concentration compared with physiological saline is treated by passage through a bed of insoluble ion exchange material for adsorbing the pertechnetate. In a second step an ionic eluant having a smaller volume than the pertechnetate solution is passed through the bed to remove the pertechnetate to provide a relatively concentrated and pure eluate solution, the ion exchange material in the bed and the ionic eluant having respective properties for providing the eluate with a pH suitable for radiopharmaceutical purposes. The bed retains thereon radionuclidic impurities which may have been in the initial solution. The method can be valuable for treating the eluate from a portable technetium generator which is eluted with water and advantageously the insoluble material in the bed is zirconium oxide.
461991
Evans John V.
Moore Philip W.
Shying Michael
Sodeau John M.
Australian Atomic Energy Commission
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
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