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 to 10 µm for fine particle size (high performance thin layer chromatography, HPTLC, plates) and 5 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.