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343323

Silica gel Inorganic Sorbent

Name: Silica gel Inorganic Sorbent
Brand: SIAL

Davisil grade 22, 60-200 mesh

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Über diesen Artikel

CAS-Nummer:

112926-00-8

UNSPSC Code:

23201100

PubChem Substance ID:

24861145

NACRES:

SB.52

EC Number:

231-545-4

MDL number:

MFCD00011232

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Eigenschaften

Produktname

Kieselgel, pore size 60 Å, 60-200 mesh

form

powder or crystals

Quality Segment

100

technique(s)

LPLC: suitable

surface area

475-560 m²/g

matrix

Silica

matrix active group

silica

particle size

60-200 mesh

pore size

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

Beschreibung

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 resulting in the formation of 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 was used to compare MCM-41 type mesoporous adsorbents.[1]

Legal Information

Davisil is a registered trademark of W.R. Grace & Co.-Conn.

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Dieser Artikel	288594	214477	236772
Supelco 343323 Kieselgel	Supelco 288594 Kieselgel	Supelco 214477 Kieselgel	Supelco 236772 Kieselgel
matrix active group silica	matrix active group silica	matrix active group silica	matrix active group silica
particle size 60-200 mesh	particle size 200-400 mesh, 40-75 μm	particle size 100-200 mesh, 75-150 μm	particle size 200-425 mesh, 35-75 μm
pore size 60 Å	pore size 0.75 cm³/g pore volume, 60 Å	pore size 0.40 cm³/g pore volume, 30 Å	pore size 0.75 cm³/g pore volume, 60 Å
separation technique hydrophilic interaction (HILIC)	separation technique hydrophilic interaction (HILIC)	separation technique hydrophilic interaction (HILIC)	separation technique hydrophilic interaction (HILIC)
matrix Silica	matrix Silica	matrix Silica	matrix Silica
form powder or crystals	form powder	form fine crystals	form powder

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Lagerklasse

11 - Combustible Solids

wgk

nwg

flash_point_f

Not applicable

flash_point_c

Not applicable

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