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Merck
CN
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安全信息

60735

Supelco

硅胶

high-purity grade, 40, 70-230 mesh, for column chromatography

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About This Item

CAS号:
112926-00-8
EC 号:
231-545-4
MDL编号:
MFCD00011232
UNSPSC代码:
12352309
PubChem化学物质编号:
329759178
NACRES:
SB.52

等级

for column chromatography
high-purity grade

质量水平

100

形式

powder or crystals

技术

LPLC: suitable

表面积

500 m2/g , approx.

基质

Silica

基质活性基团

silica

粒径

0.063-0.200 mm (70-230 mesh ASTM)
70-230 mesh

孔径

40 Å mean pore size

bp

2230 °C

mp

>1600 °C

分离技术

hydrophilic interaction (HILIC)

储存温度

2-8°C

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

储存分类代码

11 - 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)

法规信息

新产品

Choose from one of the most recent versions:

分析证书(COA)

Lot/Batch Number
BCBP0993V
BCBM9818V
BCBM9819V
BCBL5140V
BCBJ4784V

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Christopher A Dyke et al.
Journal of the American Chemical Society, 127(12), 4497-4509 (2005-03-24)
In this report, procedures are discussed for the enrichment of single-walled carbon nanotube (SWNT) types by simple filtration of the functionalized SWNTs through silica gel. This separation uses nanotube sidewall functionalization employing two different strategies. In the first approach, a
A simple method for production of pure silica from rice hull ash
Kalapathy, U., A. Proctor, and J. Shultz.
Bioresource Technology, 73, 257-262 (2000)
Silica gel supported zirconocene dichloride/methylalumoxane catalysts for ethylene polymerization: Effects of heterogenation on activity, polymer microstructure and product morphology.
Janiak, Christoph, and Bernhard Rieger.
Angew. Makromol. Chem., 215, 47-57 (1994)

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