Carbotrap Carbon Black: An Excellent Adsorbent for Solvent or Thermal Desorption/GC Analyses of Airborne Organic Compounds

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Courtesy of Sigma-Aldrich Co., LLC

Carbotrap adsorbent traps and releases a wider range of airborne organic compounds than Tenax GC or Amberlite XAD-2 resin. Compounds adsorbed by Carabotrap adsorbent can be completely recovered through either solvent or thermal desorption. Carbon disulfide, a highly effective desorbing solvent, degrades Tenax GC and Amberlite XAD-2, forcing you to use potentially less effective desorbing solvents. Thermal desorption releases a adsorbates undiluted from the adsorbent, enabling you to monitor small amounts of analytes that might be undetected with solvent desorption. Tenax GC and Amberlite XAD-2 resins release residues during thermal desorption, but Carbotrap adsorbent is stable at high temperature (>/-400°C). Carbotrap adsorbent also is more hydrophobic than the resins, and its performance is unaffected by humidity.

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