Abstract
Monolithic columns based on butyl methacrylate were prepared inside capillaries of 320 µm inner diameter. The polymerization mixture consisted of monomer butyl methacrylate, crosslinker ethylene dimethacrylate, and ternary or binary porogen mixture. The chromatographic behavior of prepared columns was investigated via separation of selected solutes with different polarities. The morphology of monoliths was studied by mercury porosimetry and specific surface area measurements. The permeability of individual columns was closely connected to the pore radius. The separation efficiency was influenced by the specific surface area. A correlation between the polymerization mixture composition, the monolith morphology, and subsequently the chromatographic behavior was observed.
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