产品说明
一般描述
Silica gel is a rigid 3D network of colloidal silica. It is exclusively used as a support material for the active titanium(III) centers in Ziegler-Natta catalysts. Silica gel allows a controlled fragmentation lresulting in the formation of uniform polymer particles with narrow particle size distribution and high bulk density. Silica gel is classified as below:
a. Aquagel - pores are filled with water
b. Xerogel - by the process of evaporation, aqueous phase in the pores are removed
c. Aerogel - solvent removed by supercritical extraction
应用
Silica gel was used to compare MCM-41 type mesoporous adsorbents.
Suitable for chromatographic applications, especially hydrocarbon and steroid separations.
包装
250 g in poly bottle
1 kg in poly bottle
5 kg in poly drum
法律信息
Davisil is a registered trademark of W.R. Grace & Co.-Conn.
基本信息
EC 号 | 231-545-4 |
MDL编号 | MFCD00011232 |
PubChem化学物质编号 | 24852831 |
NACRES | SB.52 |
产品性质
质量水平 | 400 |
等级 | high-purity grade (Davisil Grade 12) |
形式 | powder |
manufacturer/tradename | Davisil® |
technique(s) | LPLC: suitable |
基质 | Silica |
基质活性基团 | silica |
粒径 | 28-200 mesh 75-650 μm |
孔径 | 0.43 cm3/g pore volume 22 Å |
表面积 | 800 m2/g |
bp | 2230 ℃ |
mp | >1600 ℃ |
分离技术 | hydrophilic interaction (HILIC) |
SMILES string | O=[Si]=O |
InChI | 1S/O2Si/c1-3-2 |
InChI key | VYPSYNLAJGMNEJ-UHFFFAOYSA-N |
安全信息
储存分类代码 | 11 - Combustible Solids |
WGK | nwg |
闪点(F) | Not applicable |
闪点(C) | Not applicable |