QINGDAO XINCHANGLAI SILICA GEL CO.,LTD
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Column chromatography silica gel is white powder, the main component is SiO2·nH2O, insoluble in water, inorganic acid and other organic solvents, soluble in HF and concentrated caustic soda solution. It absorbs moisture in the air. Because of the difference in adsorption and retention time of different substances, various substances can be separated and purified.
The product is mainly used for refining petroleum products to remove aromatic substances, organic gas, liquid selective adsorption separation; Used as catalyst carrier, chromatographic support; It can also be used for the separation and purification of the active ingredients of Chinese herbal medicine and the preparation of high purity substances. |
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QINGDAO XINCHANGLAI SILICA GEL CO.,LTD
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The coarse pore microsphere silica gel is a milky white particle, the main component is SiO2·nH2O, insoluble in water and inorganic acid, soluble in hydrofluoric acid and concentrated caustic soda solution. The pore volume is 0.80-1.30ml/g, pore size 80-120Å, specific surface area 300-550㎡/g.
The product is mainly used as catalyst and catalyst carrier for important petrochemical products such as phthalic anhydride, aniline, maleic anhydride, cyanamide, acrylonitrile, etc. It is also widely used for refining petroleum products, selective adsorption and separation of some organic gases and liquid components. It can also be used as an ion exchanger to remove polyvalent harmful elements from water, as well as for dry storage of materials, instruments and other items and dewatering purification of high purity gas.
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