Carboxen® Adsorbent
matrix Carboxen® 564, 20-45 mesh, bottle of 10 g
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EC Number 231-153-3
Properties
| Related Categories | Adsorbents, Analytical/Chromatography, Carbon Adsorbents, Carbon Molecular Sieve (CMS) Adsorbents, Carboxen Adsorbents, |
| packaging | bottle of 10 g |
| matrix | Carboxen® 564 |
| particle size | 20-45 mesh |
| pore size | ~6-9 Å pore diameter |
| ~0.13 cm3/g mesoporosity | |
| ~0.14 cm3/g macroporosity | |
| ~0.24 cm3/g microporosity |
Description
General description
Our Carboxen Carbon Molecular Sieve (CMS) materials have through-pore structures. That is, the majority of the pores pass entirely through the particles. Additionally, the specially designed pores taper from macro- to meso- to micropores, resulting in materials with excellent thermodynamic properties for both adsorption and desorption processes. As such, no other CMS materials on the market can match the performance of our Carboxen materials. When protected properly with weaker adsorbents upstream, the Carboxen materials provide great performance for a very wide range of small C2-C5 analytes.
For more information about any of our carbon adsorbents, please visit sigma-aldrich.com/carbon
Other Notes
While these carbon materials are stable to above 400 °C, the temperature actually used at depends on the application. For example, thermal desorption unit (TDU) tubes are typically desorbed at 330 °C, purge traps containing just carbons typically use a 250 °C desorption temperature, and GC column applications may work best with final oven temperatures of 225 °C. For assistance in determining the proper temperature for your application, contact Technical Service at techservice@sial.com
Legal Information
Carboxen is a registered trademark of Sigma-Aldrich Co. LLC
Price and Availability
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