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  • 1 Comenius' University Department of Nuclear Chemistry Faculty of Science Mlynska dolina CH-1 842 15 Bratislava (Czechoslovakia)
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A batch pertraction (liquid membrane extraction, MX) of cobalt has been studied, with industrial reagent LIX 64N and ABF (USSR) as a carrier. The influence of cobalt, reagents and acid concentration has been searched. The kinetic and hydrodynamic characteristics of the emulsion were optimized. In one batch pertraction process it is possible to reach 100-fold cobalt preconcentration with 93–98% yield from 1 dm3 sample volume.