Abstract
The retention of several bi- and trifunctional model solutes using different adsorbents, Florisil and silica, and different binary eluent systems containing isopropanol, dioxane or tetrahydrofuran as modifiers in n-heptane was investigated by high-performance liquid chromatography. The retention parameters are presented as log k′-log k′ relationships obtained for solutes in different chromatographic systems. The selectivity of the systems investigated and the influence of modifiers on the adsorptive properties of the adsorbents are discussed.
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