Abstract
Summary Preliminary investigation of a batch of porous ceria microspheres indicated that the surface had minimal adsorptive properties. Observation of the retention of polycyclic aromatic hydrocarbons from a relatively polar eluent (methanol-water, 50:50) suggested that the particles were hydrophobic. Porous ceria was found to be a useful inert support for ion-pair partition or “soap column chromatography”. Representative sulphonic acids were separated using a mobile phase consisting of methanol-water containing a small amount of hexadecyltrimethylammonium bromide.
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