Column chromatography silica gel

Column chromatography silica gel for white powder, the main component of SiO2. NH2O, insoluble in water, inorganic acid and other organic solvents, soluble in HF and caustic solution concentration, the absorption of moisture in the air.
For adsorption of different substances on the difference of retention time, can make all kinds of material to achieve separation and purification.
This product is mainly used in oil refining removal aromatic substances and other selective adsorption of organic gases, liquids separation;
Used as a catalyst carrier in chemical industry, chromatographic supporter;
Can also be used for separation and purification of effective ingredients of Chinese herbal medicine and the preparation of high purity material.