Method and apparatus for production of 213Bi from a high...

Details Method and apparatus for production of 213Bi from a high... Method and apparatus for production of 213Bi from a high...

2005-12-06

2005-12-06

Nguyen, Kiet T. (Department: 2881)

Radiant energy

Fluent material containment, support or transfer means

With irradiating source or radiating fluent material

C423S002000, C423S003000

Reexamination Certificate

active

06972414

ABSTRACT:
A method and apparatus for isolating and purifying a213Bi radioactive isotope from an225Ac source using a primary column and a primary sorbent which preferentially retains225Ac over213Bi when exposed to a compatible solvent in combination with a secondary column having a secondary sorbent which retains213Bi when exposed to a mixture of the compatible solvent and213Bi. A “compatible solvent” is a solvent which will preferentially remove213Bi radioactive isotopes from a primary sorbent without removing225Ac radioactive isotopes, and then allow213Bi radioactive isotopes removed from the primary sorbent to be retained on a secondary sorbent, without having to dilute or otherwise chemically or physically modify the compatible solvent in between exposure to the primary and secondary sorbents.

REFERENCES:
patent: 5749042 (1998-05-01), Bray et al.
patent: 6153154 (2000-11-01), Egorov et al.

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