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Citation: SHEN Conghua, LI Ping, TANG Tao, SUN Yuanshe, LEI Wu, WANG Fengyun, LI Tong. Preparation of a new stationary phase with s-triazine and amide embedded and its application in separation of basic compounds[J]. Chinese Journal of Chromatography, ;2013, 31(11): 1035-1039. doi: 10.3724/SP.J.1123.2013.06021 shu

Preparation of a new stationary phase with s-triazine and amide embedded and its application in separation of basic compounds

SHEN Conghua ^1,2 ,
LI Ping ^1,2 ,
TANG Tao ^1,2 ,
SUN Yuanshe ^2,3 ,
LEI Wu ¹ ,
WANG Fengyun ¹ ,
LI Tong ^2,3,,

1.
1. Industrial Chemistry Institute, Nanjing University of Science and Technology, Nanjing 210094, China;

Corresponding author: LI Tong,
Received Date: 8 June 2013
Available Online: 4 July 2013
Fund Project: 国家重大科学仪器设备开发专项项目(2012YQ12004401,2012YQ12004403) (2012YQ12004401,2012YQ12004403)国家自然科学基金项目(51242001). (51242001)

A new kind of silica-bonded reserved stationary phase with s-triazine and amide polar groups embedded for HPLC was obtained by step-wise reactions of silica gel with s-triazine, γ-aminopropyltriethoxysilane, ethanediamine and dodecanoyl chloride. The new stationary phase was characterized by elemental analysis. After that, a column packed with the new stationary phase was used to separate basic compounds. A commercial C18 column was also tested under the same chromatographic conditions for comparison. The results indicated that the ligand was successfully bonded to the surface of the silica and the maximum relative deviations of element contents were within 5% for carbon, nitrogen and hydrogen by three times. Furthermore, in the separation of five basic anilines and four basic pyridines, the excellent selectivity and symmetrical peak shapes provided a reference for advancing the commercialization of the new stationary phase.
- stationary phase for liquid chromatography,
- s-triazine and amide,
- preparation,
- application,
- basic compounds
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