Summary
Two spectroscopic methods, solid state NMR and diffuse reflectance FTIR, have been used in conjunction with liquid chromatographicretention data to identify and distinguish the functionality of octadecylsilica (ODS) stationary phases. NMR and FTIR spectra are indicative of various features of the different functionalities of the phases and this information can be used to elucidate the configuration of the organosilyl moiety in the ODS on the silica surface and explain why DSS phases have different molecular shape (mainly planarity) recognition capability.
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Jinno, K., Wu, J., Ichikawa, M. et al. Characterization of octadecylsilica stationary phases by spectroscopic methods. Chromatographia 37, 627–634 (1993). https://doi.org/10.1007/BF02274114
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DOI: https://doi.org/10.1007/BF02274114