A process for the separation and purification of yttrium-90 for medical applications
Patent
·
OSTI ID:97209
An extraction chromatographic method for the preparation of {sup 90}Y of high chemical and radiochemical purity is disclosed. After an initial purification of a {sup 90}Sr stock solution and a suitable period of {sup 90}Y ingrowth, the solution is passed through a series of strontium-selective chromatographic columns, each of which lowers the {sup 90}Sr content of the mixture by a factor of about 10{sup 3}. The {sup 90}Y remaining is freed from any residual {sup 90}Sr, from its {sup 90}Zr daughter, and from any remaining impurities by passing the sample through a final column designed to selectively retain yttrium.
- Research Organization:
- Argonne National Lab., IL (United States)
- Sponsoring Organization:
- USDOE, Washington, DC (United States)
- DOE Contract Number:
- W-31109-ENG-38
- Assignee:
- ANL; 400201; SCA: 550604; ERA-20:027650; NTS-96:001553; PA: EDB-95:126463; SN: 95001445197
- Patent Number(s):
- PATENTS-US--A8095555
- Application Number:
- ON: DE95017129; PAN: 8-095,555
- OSTI ID:
- 97209
- Country of Publication:
- United States
- Language:
- English
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