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Merck
모든 사진(1)

문서

60741

Supelco

Silica gel

high-purity grade, average pore size 60 Å (52-73 Å), 70-230 mesh, 63-200 μm, for column chromatography

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모든 사진(1)

About This Item

CAS Number:
112926-00-8
EC Number:
231-545-4
MDL number:
MFCD00011232
UNSPSC 코드:
12352309
PubChem Substance ID:
329759187
NACRES:
SB.52

Grade

high-purity grade

Quality Level

200

설명

activity acc. to Brockmann and Schodder 2 - 3

형태

powder or crystals

제조업체/상표

Sigma-Aldrich

기술

LPLC: suitable

표면적

470-530 m2/g

기질

Silica

기질 활성군

silica

입자 크기

63-200 μm
70-230 mesh

공극 크기

0.7-0.85 cm3/g pore volume
60 Å average pore size (52-73 Å)

bp

2230 °C

mp

>1600 °C

분리 기술

hydrophilic interaction (HILIC)

SMILES string

O=[Si]=O

InChI

1S/O2Si/c1-3-2

InChI key

VYPSYNLAJGMNEJ-UHFFFAOYSA-N

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관련 카테고리

일반 설명

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

애플리케이션

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

Storage Class Code

11 - Combustible Solids

WGK

nwg

Flash Point (°F)

Not applicable

Flash Point (°C)

Not applicable

개인 보호 장비

Eyeshields, Gloves, type N95 (US)

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시험 성적서(COA)

Lot/Batch Number
MKCR0525
BCCH0704
MKCQ9323
MKCQ8861
BCCG8983

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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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