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10437-U Supelco

Carbopack Adsorbent

matrix Carbopack X, 60-80 mesh, bottle of 10 g

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Properties

Related Categories Adsorbents, Analytical/Chromatography, Carbopack Adsorbents, Gas Chromatography (GC), Graphitized Carbon Black (GCB) Adsorbents,
packaging   bottle of 10 g
matrix   Carbopack X
particle size   60-80 mesh
pore size   ~0.62 cm3/g mesoporosity
  ~0 cm3/g macroporosity
  ~0 cm3/g microporosity
  ~100 Å pore diameter
surface area   ~240 m2/g
density   ~0.44 g/mL (free fall density)

Description

General description

A graphitized carbon black (GCB) can be non-porous or porous. The graphitization process results in a highly pure surface with great adsorption and desorption (if required) properties. Surface interactions depend solely on dispersion (London) forces. These particles are:
• Granular
• Friable
• Used for molecules with an analyte size relative to C3-C20+ n-alkanes
• Hydrophobic (can be used in high humidity environments)

Generally, GCB adsorbents offer weaker relative adsorptive strength compared to carbon molecular sieve (CMS) adsorbents, and similar relative adsorptive strength compared to spherical graphitized polymer carbon (SGPC) adsorbents. Our Carbopack products are a type of GCB adsorbent.
• Particles are 40 mesh and smaller
• Use 40/60 mesh to prevent channeling (if observed with a 20/40 mesh Carbotrap® adsorbent)
• Use smaller mesh (60/80, 80/100, etc.) for all other applications
• Use the smallest particle size available as long as the application can handle the pressure drop

For more information about any of our specialty carbon adsorbents, please visit sigma-aldrich.com/carbon

Carbotrap®/Carbopack adsorbent can withstand high bake-out temperature without losing the mechanical and chemical integrity. It has a high affinity for isoprene and does not retain significant amounts of water. Furthermore it has a tendency to pulverize if it is packed too tightly.

Application

Carbotrap X has a very high specific surface area and was used for the recovery of low boiling hydrocarbons like 1,3-butadiene and isoprene.

Legal Information

Carbopack is a trademark of Sigma-Aldrich Co. LLC

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

Price and Availability


Laboratory Gloves
Safety & Documentation

Safety Information

Symbol 
GHS08  GHS08
Signal word 
Warning
Hazard statements 
Precautionary statements 
RIDADR 
NONH for all modes of transport
WGK Germany 
nwg
RTECS 
FF5800000

Documents

Certificate of Analysis

Protocols & Articles

Articles

Carbon Adsorbents: Physical Characteristics and Selection Guide

The following information is gathered to assist chemists and method developers in locating the proper specialty carbon adsorbent for their use. Additional assistance can be obtained by contacting our...
Keywords: Adsorption, Air Monitoring, Gas chromatography

Related Content

Choosing the Right Adsorbent for Your Thermal Desorption Gas Chromatography Applications [VIDEO]

This webinar provides an overview of adsorbents that are suitable for thermal desorption (TD), and the factors you need to consider when selecting an adsorbent. The presentation provides details abou...
Keywords: Sample preparations

Peer-Reviewed Papers
15

References

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