Florisil is a hard, powdered gel of magnesium-silicate used in preparative and analytical chromatography.

Typical chemical composition of Florisil: MgO - 15.5%, SiO2 - 84.0%, Na2SO4 - 0.5%














Catalog #/DescriptionAdd to Cart/List Price
09410-05 - Florisil, A Grade, Activated at 650 C, 16x30mesh, 500gAdd to Cart  278.57
09410-20 - Florisil, A Grade, Activated at 650 C, 16x30mesh, 20kgCALL FOR PRICE
09415-05 - Florisil, A Grade, Activated at 650 C, 30x60mesh, 500gAdd to Cart  278.57
09415-20 - Florisil, A Grade, Activated at 650 C, 30x60mesh, 20kgCALL FOR PRICE
09420-05 - Florisil, A Grade, Activated at 650 C, 60x100mesh, 500gAdd to Cart  278.57
09420-20 - Florisil, A Grade, Activated at 650 C, 60x100mesh, 20kgCALL FOR PRICE
09425-05 - Florisil, A Grade, Activated at 650 C, 100x200 mesh, 500gAdd to Cart  278.57
09425-3 - Florisil, A Grade, Activated at 650 C, 100x200 mesh, 3kgAdd to Cart  1338.75
09425-20 - Florisil, A Grade, Activated at 650 C, 100x200 mesh, 20kgCALL FOR PRICE
09435-05 - Florisil, A Grade, Activated at 650 C, -200 mesh, 500gAdd to Cart  278.57
09435-3 - Florisil, A Grade, Activated at 650 C, -200 mesh, 3kgAdd to Cart  1338.75
09435-20 - Florisil, A Grade, Activated at 650 C, -200 mesh, 20kgCALL FOR PRICE
09500-05 - Florisil, PR Grade, 60x100 mesh, 500gAdd to Cart  373.80
09500-20 - Florisil, PR Grade, 60x100 mesh, 20kgCALL FOR PRICE
Typical Chemical Grades Of Florisil:

Florisil A Grade: Standard activation grade, activated at 650° C

Florisil PR Grade: Pesticide residue analysis grade, activated at 675° C (**see note below)

* Inquire about other available grades, mesh sizes, and package sizes.

**Before shipment, each lot of the 60/100 Florisil PR grade is required to meet the performance characteristics as described in "Changes of Official Methods", Journal of the A.O.A.C. Chapter 24.208(h), p.223, Vol. 49, Nov. 1, 1966.

* Florisil products are manufactured by U. S. Silica Co. Florisil is a registered trademark of U.S. Silica Co.

Some typical applications of Florisil include:

  • Sample preparation (SPE) - click here to view Florisil SPE cartridges
  • Gravity column chromatography
  • Thin Layer Chromatography - TLC
  • Purification of APIs and active pharmaceuticals
  • Removal of pesticide residues.
  • Purification or separation of chlorinated pesticides.
  • Isolation of steroids, alkaloids, sex hormones, and related compounds.
  • Separation of lipids.
  • Sample preparation - metal organics, aliphatic carboxylic acids, PCBs, PAHs
  • Separation of nitrogen compounds from hydrocarbons
  • Isolation of antibiotics
  • Vitamin assays
  • Catalyst support media and many more!
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