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A polymeric resin-based stationary phase was used to study the retention of alkylphenols, Jilkylbenzenes, substituted benzenes, and fused-ring compounds in different eluents. Various 100% organic solvents were used as eluents in order to observe the relative ability of solvents to elute compounds of given chemical structure. Plots of log k'versus the number of carbons in a chain attached to the aromatic ring show linear correlations with slopes dependent on solvent type and solute fiinctionality. Of the solvents studied, acetonitrile has the highest solvating ability for the benzene ring as well as for several functional groups. Ethanol has shown to have the strongest eluting power for the methylene group. The relative ability of several solvents to elute polynuclear aromatic hydrocarbons in solid phase extraction was determined. Functional group contribution (T) was calculated for selected compounds and acceptable agreement was found in the correlation between experimental and predicted values for solute capacity factor.

Liquid chromatographic retention studies using polystyrene-divinylbenzene stationary phases in reversed-phase and normal-phase eluents