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Via the facile ring‐opening reaction of epoxy groups with quinine, a novel polymer monolith with quaternary ammonium for reversed‐phase/strong anion‐exchange mixed‐mode has been fabricated for pressurized capillary electrochromatography (pCEC). Optimization on the preparation of quinine‐modified monoliths has been investigated, and characteristics including morphology, permeability, mechanical stability,...
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