Process and apparatus for the production of BI-212 and a use thereof
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United States of America Patent
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Oct 3, 2000
Grant Date -
N/A
app pub date -
Jan 28, 1999
filing date -
Aug 26, 1996
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A process for producing substantially radio-impurity-free Bi-212 is disclosed. An acidic feed solution containing Pb-212 is contacted with an extraction medium to bind the Pb-212 thereto. The extraction medium is rinsed with a second acid solution to remove impurities therefrom, leaving a substantially impurity-free Pb-212-laden extraction medium The Pb-212 grows on the extraction medium to form Bi-212 by radioactive decay. The Bi-212 is then eluted from the extraction medium with an acid solution to form a substantially radio-impurity-free Bi-212 acid solution. An apparatus for carving out this process and a process for the therapeutic use thereof are also disclosed.
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