Carbotrap® Adsorbents

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. Carbotrap adsorbents:
  • Particles are 20/40 mesh
  • These large particles allow high flow rates without excessive pressure drops

We make five Carbotrap 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 Carbotrap adsorbents.

Product #

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20287 Carbotrap® Adsorbent matrix Carbotrap® B, 20-40 mesh, bottle of 10 g
11325-U Carbotrap® Adsorbent matrix Carbotrap® B, 20-40 mesh, pack of 144 × 190 mg
20309 Carbotrap® Adsorbent matrix Carbotrap® C, 20-40 mesh, bottle of 10 g
11047-U Carbotrap® Adsorbent matrix Carbotrap® C, 20-40 mesh, bottle of 500 g
10435-U Carbotrap® Adsorbent matrix Carbotrap® X, 20-40 mesh, bottle of 10 g
10460-U Carbotrap® Adsorbent matrix Carbotrap® Y, 20-40 mesh, bottle of 10 g