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Tenax TA

Parameter Characteristics
Sorbent strength/type weak porous polymer
Specific surface area approx. 35 m2/g
Approx. analyte volatility range n-C7 to n-C30 (BP 100 to 450°C)
Example analytes aromatic compounds (except benzene), apolar components with BP >100°C, polar components with BP >150°C, PAHs, PCBs
Sorbent maximum temperature > 350°C
Recommended conditioning temperature up to 325°C
Recommended desorption temperature up to 300°C

Further information

  • hydrofobic
  • low inherent artifacts (<1 ng)
  • inert - suitable for labile compounds
  • Tenax GR (graphitised form) is the best for PAHs and PCBs
  • efficient desorption
  • sorbent maximum temperature must not be exceeded as sorbent will breakdown and vapourise and may contaminate your flowpath
  • 35/60 mesh is the recommended mesh size for sorbent tubes and traps
  • recommended to re-pack tubes after 100 thermal cycles