Chromatography - Bartelt

ChromatographyThin-layer chromatography/PlatesLLG CHROMATOGRAPHY CATALOGUE1RP-18 W/UV254 octadecyl-modified nano silica layers for HPTLCglass plates, ALUGRAM ®MACHEREY-NAGEL24.004 880base material: Nano-K silica 60, specific surface (BET) ~500m²/g, mean pore size 60Å, specific pore volume 0.75ml/g,particle size 2 to 10 µm; for preparative plates (1 mm thickness of layer) standard silica 60, particle size 5 to 17 µm,pH stability 2 to 10 indicator: acid-resistant product with a pale blue fluorescence for short-wave UV (254nm);UV-absorbing substances apppear as dark-blue to black spots on a light-blue background; partial octadecylmodification, wettable with water, carbon content 14%. 18-100 normal phase or reversed phase separation modes witheluents from anhydrous solvents to mixtures with high concentrations of water (see figure); the relative polarity of theeluent determines the polarity of the layer.Recommended application: aminophenols, barbiturates, preservatives, nucleobases, polycyclic aromatichydrocarbons, steroids, tetracyclines, plasticizers (phthalates).Available as glass plates with or without fluorescent indicator (UV254).7.400 375TypeALUGRAM ® Glass platesRP-18 W UV254ALUGRAM ® Glass platesRP-18 W UV254ALUGRAM ® Glass platesRP-18 W UV254ALUGRAM ® Glass platesRP-18 W UV254ALUGRAM ® Glass platesRP-18 W UV254ALUGRAM ® aluminiumsheets RP-18 W UV254ALUGRAM ® aluminiumsheets RP-18 W UV254ALUGRAM ® aluminiumsheets RP-18 W UV254ALUGRAM ® aluminiumsheets RP-18 W UV254ALUGRAM ® aluminiumsheets RP-18 W UV254Plateformatcm5 x 2010 x 1010 x 2020 x 2020 x 204 x 85 x 105 x 2010 x 1020 x 20Pathlengthmm0.250.250.250.251.000.150.150.150.150.15PK50255025155050502525Cat. No.4.004 880 16.206 1734.004 8794.004 8784.004 8817.400 375 26.901 1434.005 0464.005 0476.704 04633Aluminium oxide layers for TLCStandard, rigid TLC plates in a choice of media, backing materials, and with dimensionsas outlined below.MACHEREY-NAGELMaterialGelthicknessDimensions PK Cat. No.POLYGRAMaluminium oxide*ALUGRAMaluminium oxide**with 254 nm UV indicatormm0,20,2mm200 x 200200 x 20025259.003 4959.003 498106E & OE.