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关于此项目
线性分子式:
SiO2
化学文摘社编号:
分子量:
60.08
UNSPSC Code:
23201100
PubChem Substance ID:
NACRES:
SB.52
MDL number:
产品名称
硅胶, 99.8%
grade
standard
Quality Level
assay
99.8%
form
powder
technique(s)
LPLC: suitable
surface area
175-225 m2/g
matrix
Silica
matrix active group
silica
particle size
0.011 μm
pore size
60 Å mean pore size
separation technique
hydrophilic interaction (HILIC)
SMILES string
O=[Si]=O
InChI
1S/O2Si/c1-3-2
InChI key
VYPSYNLAJGMNEJ-UHFFFAOYSA-N
General description
二氧化硅是一种存在于矿物质、燧石和一些结晶相植物中的天然物质。工业中常用的二氧化硅是合成形式。其表面积、孔体积、孔径和粒径可在一定程度上进行独立控制。结晶二氧化硅可根据大气压分类为:
a.石英:= 1143K
b.鳞石英:1143 - 1743K
c.方石英:= 1743,超过1973K,其会形成无定形玻璃质石英玻璃。
a.石英:= 1143K
b.鳞石英:1143 - 1743K
c.方石英:= 1743,超过1973K,其会形成无定形玻璃质石英玻璃。
Application
二氧化硅可用于合成硅质岩。二氧化硅可用于辅助氧化物和氮化物纳米线的催化生长。
Features and Benefits
具有令人感兴趣的增稠性、触变性以及巨大的外表面积。
Other Notes
其可能含有吸附的H2O和CO2,这些组分可通过在> 900℃下煅烧除去
粒径是针对初级粒子,它们形成支链状聚集体,仅长零点几微米。
存储类别
13 - Non Combustible Solids
wgk
WGK 2
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
商品
Operation principle and market dominance of single crystalline silicon solar cells.
Norma A Sánchez-Flores et al.
Journal of colloid and interface science, 323(2), 359-364 (2008-05-27)
Well crystallized silicalite-1 has been obtained from three sources of amorphous silica, namely, rice hull ashes, commercial Davisil, and a fume silica from Aldrich. The silicas were first dissolved in glycerol according to a recently described reaction. This reaction transforms
The Heat Capacities of Quartz, Cristobalite and Tridymite at Low Temperatures
Anderson, C. Travis.
Journal of the American Chemical Society, 58, 568-570 (1936)
Silica-assisted catalytic growth of oxide and nitride nanowires.
Tang, C. C., et al.
Chemical Physics Letters, 333, 12-15 (2001)
全球贸易项目编号
| 货号 | GTIN |
|---|---|
| 381276-100G | 04061831960969 |
| 381276-500G | 04061838513236 |