TLC Plates, ALUGRAM RP-2/UV254, 20x20cm
RP-2/UV254 “silanized silica” = dimethyl-modified standard silica layers Technical characteristics Silica 60, mean pore size 60Å, specific surface (BET) ~ 500m2/g, specific pore volume 0.75mL/g, pH stability 2–10, particle size 5–17μm Indicator: acid-resistant product with a pale blue fluorescence for short-wave UV (254nm), UV-absorbing substances appear as dark-blue to black spots on a light-blue background Modification Silanized silica with dimethyl modification,carbon content 4 % Order of polarity: silica > DIOL > NH2 > CN > RP-2 > C18-50 > RP-18 W > C18-100 Recommended application Normal phase or reversed phase separation modes with purely organic, organic - aqueous or purely aqueous eluents Active plant constituents, steroids
