Abstract

A study of the retention behavior of aromatic compounds in micellar and hydro-organic mobile phases was undertaken to better understand the differences in retention and selectivity between micellar liquid chromatography (MLC) and reversed-phase liquid chromatography. The capacity factor for 21 aromatic compounds was measured on Microsorb C 18 using both micellar and hydro-organic mobile phases. Through correlation analysis it was shown that solute retention in MLC is influenced in some measure by the net surface charge of the stationary phase as well as by the unusual nature of the micelle—solute interaction.

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