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For the separation of π-electron-containing solutes by high-performance liquid chromatography (HPLC), a new stationary phase with a fluorene ligand chemically bonded to a silica gel surface was developed following a two-stage modification of silica gels with different pore sizes. This new phase was characterized by solid-state nuclear magnetic resonance (NMR) spectroscopy and HPLC. Chromatographic...
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