Product Name
硅胶, high-purity grade (w/ Ca, ~0.1%), pore size 60 Å, 230-400 mesh particle size
等级
high-purity grade (w/ Ca, ~0.1%)
质量水平
描述
activity acc. to Brockmann and Schodder 2 - 3
for flash chromatography
for preparative liquid chromatography
表单
powder
制造商/商品名称
Sigma-Aldrich
技术
LPLC: suitable
表面积
500 m2/g
基质
Silica
基质活性基团
silica
粒径
230-400 mesh
40-63 μm
孔径
0.8 cm3/g pore volume
60 Å
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
应用
Silica gel may be used in separation of single-walled carbon nanotube (SWNT) by simple filtration.
储存分类代码
13 - Non Combustible Solids
WGK
nwg
闪点(°F)
Not applicable
闪点(°C)
Not applicable
个人防护装备
Eyeshields, Gloves, type N95 (US)
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