• British Pharmacopoeia Volume V
  • Appendices
  • Appendix I A. General Reagents

Silica Gel for Chromatography, Octadecylsilyl, with Polar Incorporated Groups, End-capped
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Silica Gel for Chromatography, Octadecylsilyl, with Polar Incorporated Groups, End-capped

A very finely divided silica gel (3-10 µm). The particles are based on silica, chemically modified with a reagent providing a surface with chains having polar incorporated groups and terminating octadecyl groups. Furthermore, the packing material is end-capped. The particle size is indicated after the name of the reagent in the tests where it is used.

A fine, white or almost white, homogeneous powder.