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The influence of the concentration of surface boron atoms on the properties of column packings with bonded C18 groups, prepared from controlled-porosity glasses II. Liquid chromatography

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Summary

In the preparation of C18-bonded phases higher coverage densities were obtained using dimethylaminodimethyl-n-octadecylsilane than chlorodimethyl-n-octadecylsilane as the reagents. The HPLC results show the very high hydrophobicity of the materials obtained. The elution mechanism has been found to be independent of the coverage density on the boron-enriched glass surface in the range 2.3–4.0 μmol/m2.

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Suprynowicz, Z., Rayss, J., Dawidowicz, A.L. et al. The influence of the concentration of surface boron atoms on the properties of column packings with bonded C18 groups, prepared from controlled-porosity glasses II. Liquid chromatography. Chromatographia 20, 677–680 (1985). https://doi.org/10.1007/BF02262690

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Key Words

  • Column liquid chromatography
  • Controlled-porosity glasses
  • Chemically bonded phases
  • Boron-glass surface enriched