25kg Silica Gel for Column Chromatography 60A 40-60um. Common Purity. 1 Drum/EA

Description

Silica gel for column chromatography.
Separate impurities from desired products in organic and medicinal chemistry.   It can also be used in natural product purification, such as in industrial cannabis and hemp processing, to separate CBD from THC and other cannabinoids.
Base Silica Characteristics
Specification
Result
Particle Shape:
Irregular
Irregular
Surface Area (m
2
/g):
400-500
425
Average Pore Size:
(Å)
60-90
68
Surface pH:
6.3-7.2
7.1
Water content (%)
3.0-5.0
3.8
Particle Size Data:
Average Particle Size (
μ
m):
45-55
54
Percentage of Particles <20
μ
m:
7%
3.0
Percentage of Particles >55
μ
m:
8%
4.0