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Column Chromatography Silica Gel
Thin Layer Chromatography Silica Gel
CAS 112926-00-8
Assay 98.5%min
Packing 20kg/Bag
| Name | Silica gel |
| Synonyms | dioxosilane |
| Molecular Structure |  |
| Molecular Formula | SiO2 |
| Molecular Weight | 60.08 |
| CAS Registry Number | 112926-00-8 |
| EC Number | 601-214-2 |
Reference specifications:
Items | Specification |
Appearance | White powder |
Size | 40-63 μm |
Qualified Size Ratio,%,≥ | 80 |
Average Pore Diameter(Å) | 55-65 |
Specific Surface Area(m²/g) | 420-550 |
Pore Volume(ml/g) | 0.65-0.85 |
PH(100g/L in 10% aqueous suspension) | 6.5-8.0 |
Chloride,%,≤ | 0.02 |
Ferric salts,%,≤ | 0.02 |
Lost weight heated 150℃,%≤ | 5.0 |
SiO2 %,≥ | 98.5 |
Uses:
Chromatographic separation (core function)
1. Petroleum refining
2. Purification of Chinese herbal medicine
3. Preparation of high-purity substances
4. Separation principle
5.Routine laboratory use(physical desiccant;thin layer analysis;adsorption treatment)
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