Our classical silica TLC plates are based on a combination of our proven silica gel 60 and the addition of a unique polymeric binder resulting in a very adherent and hard surface that will not crack or blister and even allow writing with a pensil on the surface without risk to damage the layer.
分析報告
Specific surface area (according to BET; 5-Pt. measurement): 480 - 540 m²/g Pore volume (N₂-isotherm): 0.74 - 0.84 ml/g d 50 (laser diffraction, size distribution): 9.7 - 11.7 µm Layer thickness: 140 - 160 µm Deviation of layer thickness per plate: ≤ 20 µm Chromatographic testing: colour test hRf-values - Benzene-azo-a-naphthylamine: 40 - 55 - Brillant red B: 60 - 75 - Erio green B: 75 - 90 separation number (colourtest, lipophile): ≥ 9.0 Typical value determined on a sheet Eluent: Ethylmethylketone/ 1-propanol/ glacial acetic acid/ water (40/40/5/20 v/v/v/v)
