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53698 Supelco

Silica gel spherical

40-75 μm particle size

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Properties

Related Categories Analytical/Chromatography, Resins & LC Separation Media, Resins and Media, Silica Gel for Column Chromatography, Spherical & Irregular Bare Silica Gel, Sigma-Aldrich Brand,
grade   high-purity grade
InChI Key   VYPSYNLAJGMNEJ-UHFFFAOYSA-N
mfr. no.   Sigma-Aldrich®
loss   ~5% loss on drying
particle size   200-400 mesh
  40-75 μm
pore size   0.7-0.9 cm3/g pore volume
  60 Å pore size
surface area   450-550 m2/g
pH   ~7 (5% in H2O, suspension)

Description

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.

Legal Information

Sigma-Aldrich is a registered trademark of Sigma-Aldrich Co. LLC

Price and Availability

Suggested Laboratory Gloves


Laboratory GlovesThis substance has been tested against several types of hand protection for CE compliance. Click below to find the recommended gloves for handling this product.



Safety & Documentation

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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