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This paper describes the synthesis and chromatographic evaluation of a new polar‐embedded stationary phase, which utilized 2,4,6‐trichloro‐1,3,5‐triazine as the spacer. The resulting materials were characterized by elemental analysis, IR, and solid‐state 13C NMR. Empirical test mixtures were utilized to evaluate the column, and showed that it had good performance for basic compounds and high selectivity...
Monodisperse phenylene-bridged organosilica spheres show great potential as chromatographic stationary phase. In this paper, the tunable particle size of monodisperse phenylene-bridged organosilica spheres were prepared by co-condensing different proportion of 1,4-bis(triethoxysilyl)benzene (1,4-BTEB) and tetraethylorthosilicate (TEOS), and then pore size was expanded by two-step post-synthesis hydrothermal...
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