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  • 1 Institute of Isotopes of the Hungarian Academy of Sciences Budapest Hungary
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Separation procedures based on chelate extraction are described, which can be used in the course of production of carrier-free nuclides. The selectivities of the separations dealt with are fairly high, while the overall yield depends on the experimental conditions, primarily on whether the micro- or the macrocomponent of the system can be chelated. The problems encountered in the production of carrier-free64Cu,67Cu,84Rb and111Ag are briefly discussed.