Macherey-Nagel 

SIL G unmodified standard silica layers for TLC

  • Silica 60
  • Specific surface (BET) ~500 m²/g
  • Mean pore size 60 Å
  • Specific pore volume 0.75 ml/g
  • Standard grade
  • Thickness of layer for analytical plates 0.25 mm, for preparative plates 0.5 and 1 mm
  • For 2 mm preparative layers a slightly coarser material is used, indicators: manganese activated zinc silicate with green fluorescence for short-wave UV (254 nm)
  • Binders: highly polymeric products, which are stable in almost all organic solvents and resistant towards aggressive visualisation reagents
  • Available with or without fluorescent indicator (UV 254)