Chemistry of inorganic compounds – Treating mixture to obtain metal containing compound – Radioactive metal
Patent
1985-02-14
1988-04-19
Cintins, Ivars
Chemistry of inorganic compounds
Treating mixture to obtain metal containing compound
Radioactive metal
210677, 210682, B01D 1504, C01G 5700
Patent
active
047388340
ABSTRACT:
An initial 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.
REFERENCES:
patent: 4158700 (1979-06-01), Karageozian
patent: 4280053 (1981-07-01), Evans et al.
Kraus et al, "Ion Exchange Properties of Hydrous Oxides", Proc. 2nd U.N. Intern. Conf. Peaceful Uses Atomic Energy, Geneva, vol. 28, 3-16 (1958).
Evans et al., "A New Generator for Technetium-99 m", Australian Atomic Energy Commission, 1982.
Evans John V.
Moore Phillip W.
Shying Michael
Sodeau John M.
Australia Nuclear Science & Technology Organization
Cintins Ivars
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