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Gel di silice

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

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About This Item

Numero CAS:
112926-00-8
Numero CE:
231-545-4
Numero MDL:
MFCD00011232
Codice UNSPSC:
23201100
ID PubChem:
329759203
NACRES:
SB.52

Grado

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

Livello qualitativo

200

Descrizione

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

Forma fisica

powder

Produttore/marchio commerciale

Sigma-Aldrich

tecniche

LPLC: suitable

Area superficiale

500 m2/g

Matrice

Silica

Gruppo funzionale matrice

silica

Dimensione particelle

230-400 mesh
40-63 μm

Dimensione pori

0.8 cm3/g pore volume
60 Å

P. eboll.

2230 °C

Punto di fusione

>1600 °C

Tecnica di separazione

hydrophilic interaction (HILIC)

Stringa SMILE

O=[Si]=O

InChI

1S/O2Si/c1-3-2
VYPSYNLAJGMNEJ-UHFFFAOYSA-N

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Categorie correlate

Descrizione generale

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

Applicazioni

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

Codice della classe di stoccaggio

13 - Non Combustible Solids

Classe di pericolosità dell'acqua (WGK)

nwg

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable

Dispositivi di protezione individuale

Eyeshields, Gloves, type N95 (US)

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Certificati d'analisi (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.
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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