New synthesis of alkyldihydrosilanes and their applications in modification of silica gel |
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| Authors: | F. Meiouet G. Félix H. Taibi H. Hommel A. P. Legrand |
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| Affiliation: | (1) Laboratoire de Chimie Organique & Organométallique (CNRS URA-35), Université de Bordeaux I, 351, Crs de la Libération, 33405 Talence, France;(2) Laboratoire de Physique Quantique (CNRS UA-421), ESPCI, 10, rue Vauquelin, 75231 Paris, France |
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| Abstract: | Summary A comparison of newly synthesized, reversed-phase bonded stationary phases is presented. The materials studied include monomeric n-octyl, n-octadecyl, aryl and n-octyldihydrogeno bonded-phases. Differences in reactivity of the silane functional groups are demonstrated and the high coverage obtained with the hydrogeno-bonded phases is shown. The structures of the bonded phases have been determined by29Si and13C CP/MAS NMR spectroscopy. |
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| Keywords: | Column liquid chromatography Bonded phase synthesis Alkyl and aryldimethyl phases CP/MAS NMR spectroscopy |
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