TAT-11: Radium Targets for the Reactor Production of Alpha-emitting Medical Radioisotopes

Ottawa, ON, Canada (UroToday.com) Dr. Copping described the production of medical isotopes at ORNL's High Flux Isotope Reactor. Ra226 target modules are exposed to produce Radium-223, Ac225, and Pb212. There are several engineering issues to be solved in preparing the targets, so barium was used as a safe surrogate to work out the details.

The target capsule is made of aluminum, prepared and welded in a host cell. Dr. Copping mentioned an interesting supply of Radium, namely a historical stockpile of Ra medical devices such as needles. The Radium is dissolved and then extracted by a series of precipitation and ion exchanges.


Presented by: Dr. Roy Copping, Oak Ridge National Laboratory, Oak Ridge, Tennessee, United States








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