SEPARATION OF C-60 C-70 MIXTURE ON ACTIVATED CARBON AND ACTIVATED CARBON-FIBERS/

The possibilities for preparative separation of fullerene (C-60/C-70) mixture by flash chromatography on activated carbon or activated carbo n fibres as a stationary phase are shown. The effect bf the nature of the activated carbon and of its specific surface area on the elution t ime, chromatographic peak width, amount, and purity of the recovered p roduct (C-60 or C-70) was studied. Different possibilities for diminut ion of the quantities of the stationary phase and the eluent and of th e duration of separation are described.