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Analysis Note

Specific surface area (according to BET; 5-Pt. measurement): 480 - 540 m²/gPore volume (N₂-isotherm): 0.74 - 0.84 ml/gd 50 (laser diffraction, size distribution): 9.5 - 11.5 µmLayer thickness: 175 - 225 µmDeviation of layer thickness per plate: ≤ 30 µmA) Colour testBleu VIF Organol: 11 - 25Ceres black: 34 - 48Ceres violet BRN: 52 - 67Separation number: ≥ 10.5B) Steroid testHydrocortisone: 25 - 37Reichstein S: 37 - 49Methyltestosterone: 42 - 54Typical value determined on a conditioned sheetEluent A) Toluene (45% rel.humidity)Eluent B) Ethyl acetate/Toluene (95/5 v/v; 20% rel.humidity)

Application

Aluminum TLC plate, silica gel coated with flourescent indicator F₂₅₄. The silica gel TLC plates come in a quantity of 25 size 20x20 cm for thin layer chromatography applications.

General description

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 pencil on the surface without risk to damage the layer.

25 Aluminium sheets 20 x 20 cm

Linkage

Replaces: 5554-7; 5554