Qingdao Shuoyuan Silica gel technology Co., Ltd

 

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Opening agent

Traits:This productIt is a white uniform particle, the main composition is silica,It is made of high quality silica gel as raw material. Its main characteristic is that it can adsorb and retain the different components of the mixed material by the difference of retention time.,To achieve the purpose of separation and purification. According to its purity, it can be divided into industrial grade coarse pore column chromatography silica gel and reagent grade column chromatography silica gel.。

Purpose:It is mainly used in the purification of petroleum products, the removal of aromatics or the separation of effective components of Chinese herbal medicine.Purification, preparation of high purity substances, etc.

Specification:

International practice:63-212 μ m(70 × 230 mesh) 38-63 μ m(230 / 400)

Domestic conventions:150-250 μ m(60-100目);75-150 μ m(100 / 200);45-75 μ m(200 / 300) (也Can be processed into other specifications according to user needs )

Indicators:

Project   Indicators
Industrial grade Reagent level
Aperture                  Aо 90-100 90-100
Pore volume                 ml/g 0.85-1.0 0.85-1.0
Specific surface              m2/g 300-500 300-500
Drying weight loss% ≤ at 150 ℃       %≤ 5 3
PH(100g/Laqueous suspension)ml/g 6.0-8.0 6.0-7.0
Chloride(Cl)         %≤ —— 0.02
Iron(Fe)             %≤ —— 0.02
Qualified rate of granularity           %≥ 60或80(according to customer requirements)

Packing:20 Kilogram/ composite bag;20 kg / carton或20 kg /Cardboard bucket(lined with polyethylene bags)或Provide according to customer request.

Storage:It should be stored in a dry and ventilated warehouse to avoid mixed storage of moisture and volatile materials.