Florisil® for Column Chromatography
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| Product Name | Florisil® (trademark of U.S. Silica Co.) |
| Synonyms | Activated magnesium silicate; magnesia-silica gel |
| Supplier | Material Harvest Ltd. |
| Composition | SiO2 (84.0 ±0.5%) MgO (15.5 ±0.5%) Na2SO4 (≤1.0%) |
| Description | Florisil® (activated magnesium silicate) for column chromatography |
| Grades | Standard – activated at 650 ºC Residue analysis (PR grade) – activated at 675 ºC |
Florisil® is a hard powdered magnesia-silica gel manufactured in the United States by U.S. Silica Company. It is often referred to as "activated magnesium silicate" or "magnesia-silica gel". As a highly selective adsorbent, Florisil® is frequently employed in the following areas of preparative and analytical chromatography:
- Extraction of steroids, sex hormones and related compounds
- Separation of lipids (including monoglycerides, diglycerides, triglycerides, free fatty acids, free sterols and cholesterol esters)
- Decolourisation of fats, oils and waxes
- Purification and isolation of alkaloid natural products by column chromatography
- Separation of nitrogen-containing compounds from hydrocarbons
- Cleanup of pesticide residues and purification of chlorine-containing pesticides
- Separation of aromatic compounds from aliphatic-aromatic mixtures
- Purification of active pharmaceutical ingredients (APIs)
- Isolation of antibiotics
- Assay of vitamins
Our Florisil® is manufactured in the United States. It it available in a variety of particle size or mesh grades that are suitable for column chromatography. The most common grades of Florisil® in academia and in industry are mesh finer than 200 (>200) and mesh 100 – 200.
Florisil® Grade availability*
Product Code |
Particle Size |
Pore Size |
Grade |
Promotional Price (£) |
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250 g |
1000 g |
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MH 0200201 § |
Finer than mesh 200 |
60 Å |
Standard |
not in stock |
not in stock |
MH 0200202 § |
mesh 100 – 200 |
60 Å |
Standard |
not in stock |
not in stock |
MH 0200203 § |
mesh 60 – 100 |
60 Å |
Residue analysis |
not in stock |
not in stock |
MH 0200204 § |
mesh 60 – 100 |
60 Å |
Standard |
not in stock |
not in stock |
MH 0200205 § |
mesh 30 – 60 |
60 Å |
Standard |
not in stock |
not in stock |
* These products are no longer in stock. We apologise for the inconvenience.
§These products are no longer in stock. We apologise for the inconvenience.
Bulk Florisil® orders*
Product Code |
Specifications (particle size; pore size; activation) |
20 kg |
> 20 kg |
MH 0200201 |
mesh finer than 200; 60 Å; standard (650 ºC) |
not in stock |
not in stock |
MH 0200202 |
mesh 100 – 200; 60 Å; standard (650 ºC) |
not in stock |
not in stock |
* These products are no longer in stock. We apologise for the inconvenience.
We offer academic and volume-based discounts - please contact us for details.
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