Abstract
Retention volumes for a series of n-alkanes and “polar” adsorbates having sizes consistent with the highest-sensitivity range of a katharometer detector were measured using short glass fibers as the column packing. Retention data were shown to be dependent on the nature of the surface treatment of the solid substrate. Silane-treated and titanate-treated glass fibers showed opposite behaviors with respect to the untreated solid, especially as far as specific interaction are concerned; silane treatment was found to decrease the ability of the glass fibers to interact with good electron-donor probes while a corresponding increase was evidenced in the case of titanate treatment. A parallel was drawn between these observations and the qualitative appreciation of the adhesion between fibers in composite materials made of the untreated or treated glass fibers and a phenolic resin.
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