Radiant energy – Ionic separation or analysis – Methods
Patent
1986-12-29
1988-07-19
Fields, Carolyn E.
Radiant energy
Ionic separation or analysis
Methods
250288, 250281, H01J 4900
Patent
active
047587210
ABSTRACT:
A magnetic mass spectrometer used to purify ions in a polyisotopic mixture wherein non-ionized particles which exit the ion source are collected in the vacuum chamber and are then introduced into a thermal cycle pump and returned to the ion source to increase the yield. This purifier will both separate a desired isotope, such as iodine-123, from the polyisotopic mixture produced by a conventional small cyclotron, and increase the recovery rate, thus making feasible its use in nuclear medicine.
REFERENCES:
patent: 2533966 (1950-12-01), Simmons, Jr.
patent: 3758777 (1973-09-01), Brunnee et al.
Nuclear Instruments and Methods, Meunier et al, Progress Report on Separators Sidonie and Paris, V. 139, 1976, pp. 101-104.
Fields Carolyn E.
Isotope Purifiers Ltd.
Miller John A.
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