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

TLC Silica Gel Plate
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TLC Silica Gel Plate Silica gel

Support of glass, metal or plastic, coated with a layer of silica gel of a suitable thickness and particle size (usually 2 µm to 10 µm for fine particle size (high performance thin layer chromatography, HPTLC, plates) and 5 µm to 40 µm for normal plates). If necessary, the particle size is indicated after the name of the reagent in the tests where it is used. An organic binder may be included.