Small Particle GCB 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.

We make two small particle GCB adsorbents (suitable for use in electrochemical and bioprocessing applications). Visit our Physical Characteristics and Selection Guide page to view technical information on all our small particle GCB adsorbents.

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14030-U Small Particle GCB Adsorbent matrix Mesoporous Carbon, 45 μm, bottle of 50 g
14029-U Small Particle GCB Adsorbent matrix Graphitized Carbon, <200 nm, bottle of 50 g