A. Bharathi et al., SYSTEMATICS OF CHROMATOGRAPHIC SEPARATIONS OF FULLERENES IN SILICA-GEL ACTIVATED-CHARCOAL MIXTURES, Fullerene science and technology, 2(1), 1994, pp. 59-71
C60-C70 separations using several compositions of silica 60 gel-activa
ted charcoal mixtures are described. High yields and fast separations
are obtained for silica gel-activated charcoal ratio of 3:1 and silica
gel particle size of 200 mum.