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Supelco

Kieselgel

high-purity grade (w/ Ca, ~0.1%), pore size 60 Å, 230-400 mesh particle size

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About This Item

CAS-Nummer:
112926-00-8
EG-Nummer:
231-545-4
MDL-Nummer:
MFCD00011232
UNSPSC-Code:
23201100
PubChem Substanz-ID:
329759203
NACRES:
SB.52

Qualität

high-purity grade (w/ Ca, ~0.1%)

Qualitätsniveau

200

Beschreibung

activity acc. to Brockmann and Schodder 2 - 3
for flash chromatography
for preparative liquid chromatography

Form

powder

Hersteller/Markenname

Sigma-Aldrich

Methode(n)

LPLC: suitable

Oberflächenbereich

500 m2/g

Matrix

Silica

Aktive Matrixgruppe

silica

Partikelgröße

230-400 mesh
40-63 μm

Porengröße

0.8 cm3/g pore volume
60 Å

bp

2230 °C

mp (Schmelzpunkt)

>1600 °C

Trenntechnik

hydrophilic interaction (HILIC)

SMILES String

O=[Si]=O

InChI

1S/O2Si/c1-3-2

InChIKey

VYPSYNLAJGMNEJ-UHFFFAOYSA-N

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Allgemeine Beschreibung

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

Anwendung

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

Lagerklassenschlüssel

13 - Non Combustible Solids

WGK

nwg

Flammpunkt (°F)

Not applicable

Flammpunkt (°C)

Not applicable

Persönliche Schutzausrüstung

Eyeshields, Gloves, type N95 (US)

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Analysenzertifikate (COA)

Lot/Batch Number
BCCF3235
BCCF3236
BCCB9740
BCBW4675
BCBV9646

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Ágnes M Móricz et al.
Journal of chromatography. A, 1524, 266-272 (2017-10-11)
The antibacterial profiling of Onopordum acanthium L. leaf extract and subsequent targeted identification of active compounds is demonstrated. Thin-layer chromatography (TLC) and off-line overpressured layer chromatography (OPLC) coupled with direct bioautography were utilized for investigation of the extract against eight
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.
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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.
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