Silica gel is white powder or spherical particles, the main component is silicon dioxide,non-toxic, tasteless, insoluble in water and organic solvents. It is a kind of porous material with high specific surface area. The molecule has the cross chain structure of siloxane, and there are many silanol groups on the surface. Due to the different adsorption retention time of different substances, can make all kinds of material to achieve the purpose of separation and purification.
【Applications】
Column chromatography silica gel is mainly used in the refining of petroleum products, removing aromatic substances,separating and purifying the active ingredients of Chinese herbal medicine and preparing of high-purity substances. It is also used as catalyst carrier and the filtration of impurities in waste oil. It is widely used in liquid crystal, paclitaxel, coenzyme Q10 and biopharmaceutical industries.
【Technical indexes】


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