Description
granular, 0.2-1 mm
General description
Silica gel, highly porous textured matrix are generally used for synthesis of adsorbents. They are corpuscular in structure. Silica surface have a layer of hydroxyl groups and adsorbed water molecules are removed by drying at high temperature or even by treatment with suitable reagents. Silica gel surface plays significant role in catalysis, chemical separation and microelectronic fabrications.
Application
Silica gel is used:
on glass plates for preparative TLC and on aluminium sheets for analytical TLC
in vacuum chromatography and TLC
in column chromatography
PROPERTIES
Quality Level
100
grade
high-purity grade
form
granular
technique(s)
LPLC: suitable
matrix
Silica
matrix active group
silica
particle size
0.2-1 mm
pore size
60 Å mean pore size
surface area
500 m2/g (approx.)
bp
2230 °C
mp
>1600 °C
separation technique
hydrophilic interaction (HILIC)
SMILES string
O=[Si]=O
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