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Silica Gel for Column-layer Chromatography

Product:    Silica Gel for Column-layer Chromatography

CAS NO:   112926-00-8

Molecular formula:   SiO2

Properties:

White grains of homogeneous size.

Application: 

Used for refinement of pertrol products removal of aromatic hydrocarbon material separation and refinement of traditional Chinese herbal medicine components, preparation of high purity substance, etc.

Specification: 

Items

Quality

Industry grade

Reagent grade

Type 1

Type 2

Type 3

Type 4

Type 1

Type 2

Type 3

Type 4

Specific surface area (m2/g)

>450

380-550

300-450

<350

>450

380-550

300-450

<350

Pore Volume (ml/g)

0.35-0.5

0.6-0.8

0.8-1.0

>1.0

0.35-0.5

0.6-0.8

0.8-1.0

>1.0

Chlorides(Cl) (%)

 -

0.02 max.

Iron(Fe) (%)

 -

0.02 max.

 PH value

Negotiable

Negotiable

Loss on Heating (%)

5 max.

5 max.

 Size (μm)

Negotiable

Negotiable

Qualified size ration (%)

60 min.

60 min.

 

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