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60738

Supelco

Silica gel

high-purity grade, pore size 60 Å, 220-440 mesh particle size, 35-75 μm particle size, for flash chromatography

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CAS Number:
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
SB.52

grade

high-purity grade

Quality Level

description

activity acc. to Brockmann and Schodder 2 - 3

form

powder or crystals

manufacturer/tradename

Sigma-Aldrich

technique(s)

LPLC: suitable

surface area

500 m2/g

matrix

Silica

matrix active group

silica

particle size

220-440 mesh
35-75 μm

pore size

0.8 cm3/g pore volume
60 Å

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

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This Item
60737288594288608
vibrant-m

60738

Silica gel

vibrant-m

60737

Silica gel

vibrant-m

288594

Silica gel

vibrant-m

288608

Silica gel

matrix active group

silica

matrix active group

silica

matrix active group

silica

matrix active group

silica

matrix

Silica

matrix

Silica

matrix

Silica

matrix

Silica

separation technique

hydrophilic interaction (HILIC)

separation technique

hydrophilic interaction (HILIC)

separation technique

hydrophilic interaction (HILIC)

separation technique

hydrophilic interaction (HILIC)

pore size

0.8 cm3/g pore volume, 60 Å

pore size

0.8 cm3/g pore volume, 60 Å

pore size

0.75 cm3/g pore volume, 60 Å

pore size

0.75 cm3/g pore volume, 60 Å

technique(s)

LPLC: suitable

technique(s)

LPLC: suitable

technique(s)

LPLC: suitable

technique(s)

LPLC: suitable

General description

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

Application

Silica gel may be used in separation of single-walled carbon nanotube (SWNT) by simple filtration.

recommended

Storage Class

11 - Combustible Solids

wgk_germany

nwg

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)


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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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