Product Name
硅胶, 40-75 μm particle size
等级
high-purity grade
质量水平
表单
powder
制造商/商品名称
Sigma-Aldrich
技术
LPLC: suitable
表面积
450-550 m2/g
缺失
~5% loss on drying
基质
Silica
基质活性基团
silica
粒径
200-400 mesh
40-75 μm
孔径
0.7-0.9 cm3/g pore volume
60 Å pore size
pH值（酸碱度）
~7 (5% in H2O, suspension)
沸点
2230 °C
mp
>1600 °C
分离技术
hydrophilic interaction (HILIC)
SMILES字符串
O=[Si]=O
InChI
1S/O2Si/c1-3-2
InChI key
VYPSYNLAJGMNEJ-UHFFFAOYSA-N
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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 leading to form 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.
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.
储存分类代码
11 - Combustible Solids
WGK
nwg
闪点(°F)
Not applicable
闪点(°C)
Not applicable
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