Properties: B Type Column Chromatography Silica Gel is white powder, soluble in HF and concentrated caustic soda solution, can absorb moisture in air. Because of the difference in adsorption and retention time of different substances, it can achieve the purpose of separation and purification of various substances
Buy Cheap B Type Column Chromatography Silica Gel Made in China
Properties: B-type column chromatography silica gel is white powder, soluble in HF and concentrated caustic soda solution, can absorb moisture in air. Because of the difference in adsorption and retention time of different substances, it can achieve the purpose of separation and purification of various substances
Application: This product is mainly used for petroleum product purification and removal of aromatic substances, organic gas, liquid selective adsorption separation; Used as catalyst carrier, chromatographic carrier; It can also be used for the separation and purification of the effective ingredients of Chinese herbal medicine and the preparation of high purity substances
Technical indicators:
Project | Indicators | |
Type B |
||
industrial-grade |
Reagent grade |
|
Aperture Å | 50-80 | 50-80 |
Entrance ml/g | 0.6-0.8 | 0.6-0.8 |
Specific surface area ㎡/g | 450-550 | 450-550 |
chloride(Cl)%≤ | 0.02 | |
iron(Fe)%≤ | 0.02 | |
PH Value | 6-8 | 6-7 |
Heating loss %≤ | 5 | 5 |
Particle size um | 70-150 | 70-150 |
40-63 | 40-63 | |
50-75 | 50-75 | |
60-200 | 60-200 |