Abstract
ZrO2/SiO2 particles, which were prepared by a layer-by-layer self-assemble technique and consist of micrometer-sized silica spheres as cores and nanometer-sized zirconia particles as surface coatings, have a higher surface area and pore volume than other zirconia supports have. Further more it is more stable than silica is. In this paper we made a reversed-phase support by bonding octadecyltrichlorosilane on ZrO2/SiO2 particles, it had a comparable high carbon amount of 9.62% and good chemical stability being stable up to pH 11. The chromatographic behavior showed that the support acted as a true reversed chromatographic stationary phase and had a hydrophobic selectivity. Basic and aromatic compounds are well separated and the peaks are symmetrical.
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Ge, J., Shi, X., Li, Y. et al. Preparation and Evaluation of Octadecyl-Bonded ZrO2/SiO2 . Chroma 63, 25–30 (2006). https://doi.org/10.1365/s10337-005-0697-2
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DOI: https://doi.org/10.1365/s10337-005-0697-2