Carboxen® Adsorbents

A carbon molecular sieve (CMS) is the porous carbon skeletal framework that remains after pyrolysis of a polymeric precursor. These particles are:
  • Spherical (better packed bed performance than granular particles)
  • Hard and non-friable (pack well, will not break)
  • Highly porous (high surface areas)
  • Used for molecules with an analyte size relative to C2-C5 n-alkanes
  • Hydrophobic (can be used in high humidity environments)

Generally, CMS adsorbents offer greater relative adsorptive strength compared to spherical graphitized polymer carbon (SGPC) and graphitized carbon black (GCB) adsorbents. Carboxen adsorbents:
  • Have tapered pores, resulting in excellent thermodynamic properties for both adsorption and desorption (have the best thermodynamic performance of any adsorbents)
  • The surface chemistry can be tailored for specific target analytes

We make nineteen Carboxen adsorbents. Some are only available as a custom item. Visit our Physical Characteristics and Selection Guide page to view technical information on all our stock and custom Carboxen adsorbents.

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10263 Carboxen® Adsorbent matrix Carboxen® 563, 20-45 mesh, bottle of 10 g
10264 Carboxen® Adsorbent matrix Carboxen® 564, 20-45 mesh, bottle of 10 g
11324-U Carboxen® Adsorbent matrix Carboxen® 564, 20-45 mesh, pack of 144 × 290 mg
10269 Carboxen® Adsorbent matrix Carboxen® 569, 20-45 mesh, bottle of 10 g
11048-U Carboxen® Adsorbent matrix Carboxen® 569, 20-45 mesh, bottle of 500 g
11072-U Carboxen® Adsorbent matrix Carboxen® 572, 20-45 mesh, bottle of 10 g
10477-U Carboxen® Adsorbent matrix Carboxen® 1000, 40-60 mesh, bottle of 50 g
10478-U Carboxen® Adsorbent matrix Carboxen® 1000, 60-80 mesh, bottle of 10 g
10471 Carboxen® Adsorbent matrix Carboxen® 1003, 40-60 mesh, bottle of 10 g