TLC ALUMINIUM SHEET/ PLAT KLT/ TLC PLATE, 20X20 CM, 105554, MERCK

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. # HARAP MENANYAKAN STOCK TERLEBIH DAHULU # Description Merk : MERCKMILLIPORE Negara : GERMANY Catalogue Number 105554 Packing : 1 Pack (isi 25 Plate, 20 x20 cm) Replaces 5554-7; 5554 Overview 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. Specifications 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) 9.5 - 11.5 µm Layer thickness 175 - 225 µm Deviation of layer thickness per plate ≤ 30 µm A) Colour test Bleu VIF Organol 11 - 25 Ceres black 34 - 48 Ceres violet BRN 52 - 67 Separation number ≥ 10.5 B) Steroid test Hydrocortisone 25 - 37 Reichstein S 37 - 49 Methyltestosterone 42 - 54 Typical value determined on a conditioned sheet Eluent A) Toluene (45% rel.humidity) Eluent B) Ethyl acetate/Toluene (95/5 v/v; 20% rel.humidity)