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60743 Sigma-Aldrich

Silica gel

technical grade (w/ fluorescent indicator), 60 F254

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Properties

Related Categories Adsorbents (Inorganic), Analytical/Chromatography, Irregular Silica Gel, Technical Grade, LPLC Separation Media, LPLC/TLC/Paper Chromatography,
grade   technical grade (w/ fluorescent indicator)
InChI Key   VYPSYNLAJGMNEJ-UHFFFAOYSA-N
form   powder
mfr. no.   Sigma-Aldrich®
particle size   63-200 μm (70-230 mesh)
pore size   0.8 cm3/g pore volume (approx.)
  60 Å
surface area   500 m2/g (approx.)
bp   2230 °C
mp   >1600 °C

Description

Application

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

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 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

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Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
nwg
Protocols & Articles

Articles

Selection Guide for Polymeric Resins in Chromatography & Purification

Sigma-Aldrich carries a vast array of resins, from leading manufacturers; such as, Dow Chemical, Rohm & Haas, Mitsubishi, and Lanxess. Our product line includes adsorbent, ion-exchange (anion / catio...
Keywords: Adsorption, Antibiotics, Detergents, Fermentation, Filtration, Hormones, Ion Exchange, Pharmaceutical, Purification, Separation

Peer-Reviewed Papers
15

References

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