236799
Silica gel Inorganic Sorbent
high-purity grade (Davisil Grade 635), 60-100 mesh
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关于此项目
化学文摘社编号:
UNSPSC Code:
12352309
PubChem Substance ID:
NACRES:
NB.21
EC Number:
231-545-4
MDL number:
产品名称
硅胶, high-purity grade (Davisil Grade 635), pore size 60 Å, 60-100 mesh
grade
high-purity grade (Davisil Grade 635)
Quality Segment
assay
≥99%
form
powder or granules
manufacturer/tradename
Davisil®
technique(s)
LPLC: suitable
surface area
480 m2/g
matrix
Silica
matrix active group
silica
particle size
150-250 μm, 60-100 mesh
pore size
0.75 cm3/g pore volume, 60 Å
pH
6.5 (5% in slurry)
bp
2230 °C
mp
>1600 °C
separation technique
hydrophilic interaction (HILIC)
SMILES string
O=[Si]=O
InChI
1S/O2Si/c1-3-2
InChI key
VYPSYNLAJGMNEJ-UHFFFAOYSA-N
General description
硅胶是硅胶的刚性三维网络。它专门用作齐格勒-纳塔催化剂中活性钛（III）中心的载体材料。硅胶允许可控破碎，导致形成具有窄粒度分布和高堆积密度的均匀聚合物颗粒。硅胶分类如下：
a.水凝胶 - 气孔充满了水
b.干凝胶 - 通过蒸发过程，气孔中的水相被去除
c.气凝胶 - 通过超临界萃取除去的溶剂
a.水凝胶 - 气孔充满了水
b.干凝胶 - 通过蒸发过程，气孔中的水相被去除
c.气凝胶 - 通过超临界萃取除去的溶剂
Application
硅胶被用于比较MCM-41型中孔吸附剂。
Legal Information
Davisil is a registered trademark of W.R. Grace & Co.-Conn.
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存储类别
11 - Combustible Solids
wgk
nwg
flash_point_f
Not applicable
flash_point_c
Not applicable