DOI: 10.3724/SP.J.1123.2018.09020

Chinese Journal of Chromatography (色谱) 2019/37:2 PP.143-148

Preparation and performance evaluation of a novel polar urea-propyl-C30 stationary phase

A novel polar urea-propyl-C30 (TPU-C30) reversed stationary phase was prepared by using 3-ureidopropyltrimethoxysilane as a coupling agent. The characteristics of TPU-C30 were analyzed by scanning electron microscopy, elemental analysis, infrared spectroscopy and thermal analysis. The results showed that the TPU-C30 stationary phase was successfully prepared. Furthermore, the relative deviations of the element contents of TPU-C30 were within 5% (n=3), which indicated that the proposed synthesis had good repeatability. The chromatographic performances in the stationary phase were evaluated by using different polar compounds, positional isomers and basic compounds as solute probes. Compared to the conventional C18 and C30 columns, the TPU-C30 stationary phase had different selectivity and better shape selection. The TPU-C30 stationary phase can be applied in various fields.

Key words:high performance liquid chromatography (HPLC),polar embedding,polar urea-propyl-C30 (TPU-C30) stationary phase,preparation,shape selection

ReleaseDate:2019-02-14 09:31:18

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