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ZHOU Rong, FAN Yi, FENG Yu-Qi, DA Shi-Lu. Preparation and Evaluation of N-Methylaniline Bonded Silica for High Performance Liquid Chromatography[J]. Chinese Journal of Applied Chemistry,
;2002, 19(1): 66-70.
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A new bonded stationary phase, N-methylaniline bonded silica for reversed-phase HPLC was synthesized by reacting N-methylanilinetriethoxylsiliane with silica directly. The packing material was characterized by diffuse reflectance infrared Fourier transform spectrometry and elemental analysis. The chromatographic behavior of hydrophobicity, charge-transfer ability, dipole-dipole and hydrogen bonding interaction have been studied on the bonded stationary phase using methanol-water as binary mobile phase. Compared with octadecyl stationary phase(ODS), the new bonded phase was superior in selectivity and separation rate for PAH and it's derivatives, and exhibited the best separation selectivity for acidic aromatic derivatives.
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