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Supelco

Silica gel Inorganic Sorbent

high-purity grade (Davisil Grade 923), 100-200 mesh

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About This Item

Número de CAS:
112926-00-8
EC Number:
231-545-4
MDL number:
MFCD00011232
UNSPSC Code:
12352309
PubChem Substance ID:
24852837
NACRES:
SB.52

product name

Gel de sílice, high-purity grade (Davisil Grade 923), pore size 30 Å, 100-200 mesh

grade

high-purity grade (Davisil Grade 923)

Quality Level

200

form

fine crystals

manufacturer/tradename

Davisil®

technique(s)

LPLC: suitable

surface area

430-530 m2/g

matrix

Silica

matrix active group

silica

particle size

100-200 mesh
75-150 μm

pore size

0.40 cm3/g pore volume
30 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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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 lresulting 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.

Footnote

Recommended Applications
Grade 923 meets ASTM D1319 specifications for hydrocarbon analysis

Legal Information

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

Storage Class

11 - Combustible Solids

wgk_germany

nwg

flash_point_f

Not applicable

flash_point_c

Not applicable

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Certificados de análisis (COA)

Lot/Batch Number
BCCG6839
BCCG3798
BCCG0836
BCCF7499
BCCF4691

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Liquid Chromatography at Low Pressures

Low pressure liquid chromatography (LPLC) operates at low pressures, using a pump to drive the mobile phase onto the column.

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