Silica Gel for Column-layer Chromatography
Product Description
Characteristics:

White irregular grains of homogeneous size, colorless, transparent glass-like

Chief ingredient is silicon dioxide of high purity.

Secure and sanitary.

Can be used to separate and refine mixed components because different absorption duration on this silica gel.


Use:

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


Size:

40-80mesh(180-450μm)            60-80mesh(180-280μm)                 60-100mesh(154-280μm)

80-100mesh(154-180μm)         80-120mesh(125-180μm)              100-120mesh(125-154μm)

100-140mesh(110-154μm)       100-160mesh(98-154μm)              100-180mesh(180-250μm)

100-200mesh(75-150μm)         160-200mesh(74-98μm)                200-300mesh(50-75μm)

230-400mesh(38-63μm)           300-400mesh(38-54μm)               500-800mesh(15-30.8μm)



Storage: Stored in dry and ventilated place, do not share with volatile substances, so as not to absorb moisture or other chemical substances and affect the separation performance.


Packing specifications:

10kg, 20kg, 25kg carton or fiber drum


Packing materials:

Cartons, bags or fiber drum etc


Notes: Packing and specification may be customized per your specific requirements.


Welcome to contact us for more details~~


Technical Data

ITEMSpecificationsTypical values
Industrial gradeReagent gradeReagent grade
Type1Type 2Type 3Type 4Type 1Type 2Type 3Type 4Type 3
Specific surface area, m2/g>450380-550300-450<350>450380-550300-450<350410
Pore volume, mL/g0.35-0.500.6-0.80.8-1.0>1.00.35-0.500.6-0.80.8-1.0>1.00.9
Chlorides(C I), w/% ≤-0.020.008
Iron(Fe), w/% ≤-0.020.0067
pH(100g/L water suspension)NegotiableNegotiable6.7
Loss on Heating, w/% ≤552.2
Size/μmNegotiableNegotiable100-200 mesh
Qualified size ratio, w/% ≥606080


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