International Topical Meeting on Nuclear Research Applications and Utilization of Accelerators
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SM/AE-06 Educational and Research Aspects of Homemade Modular PC-Controlled Radiochemistry Systems for the Processing of Irradiated Electroplated Solid Cyclotron Targets R. Adam Rebeles, P. Van den Winkel, and L. De Vis Vrije Universiteit Brussel, Brussels, Belgium Corresponding Author: radamreb@vub.ac.be Homemade modular PC-controlled radiochemistry systems, used to separate the non-carrier added radionuclide of interest from irradiated electroplated solid cyclotron target layers such as 203Tl, 67Zn, 111Cd and 64Ni, illustrate that classical analytical separation and sampling techniques can be carried out remote-controlled with a minimized risk of operator errors and with excellent processing yields (>95% ) and resulting in chemical and radiochemical purity levels that meet the requirements of the Pharmacopoeia. As VUB Cyclotron Laboratory developed such systems for the production of 201Tl, 67Ga, 111In and 64Cu, the 111In manifold, the interface and the VB program will be presented from educational point of view. Emphasis will be placed on analytical techniques such as selective dissolution of the target layer (heated flow-through stripper), re-dissolution of a precipitate (reversed-filtration, rotating magnetic field in the precipitation-filtration unit), extraction (mixing by inert gas bubbling, phase separation by micro-conductivity cells), volume monitoring of the bulk volume (micro-conductivity assembly) and sampling prior to chemical, radiochemical and radionuclidic analysis (micro-conductivity drop counter). A limited slide show will illustrate the system.
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