Journal of Thermal Analysis and Calorimetry

, Volume 84, Issue 1, pp 233–238 | Cite as

Temperature-programmed desorption of n-hexane from hydrated HZSM-5 and NH4ZSM-5 zeolites

  • Dondur Vera 
  • Rakić Vesna 
  • Damjanović Ljiljana 
  • Hercigonja Radmila 
  • Auroux Aline 


Temperature-programmed desorption coupled with mass spectrometer as a detector (TPD), IR and 13C NMR measurements are used to study the adsorption of n-hexane on hydrated HZSM-5 and NH4ZSM-5 zeolites. The 13C NMR measurements show that n-hexane can access the pore structure of ZSM-5 zeolites previously saturated with water. TPD spectra of n-hexane are monitored in the temperature region 50–300°C, in the case of fully or partially hydrated samples; two-stage desorption of n-hexane is found. Simultaneous desorption of water and n-hexane in the same temperature region are found, in all investigated samples.


n-hexane adsorption temperature-programmed desorption ZSM-5 zeolite 


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Copyright information

© Springer-Verlag 2006

Authors and Affiliations

  • Dondur Vera 
    • 1
  • Rakić Vesna 
    • 2
  • Damjanović Ljiljana 
    • 1
  • Hercigonja Radmila 
    • 1
  • Auroux Aline 
    • 3
  1. 1.Faculty of Physical ChemistryBelgradeSerbia and Montenegro
  2. 2.Faculty of AgricultureBelgrade-ZemunSerbia and Montenegro
  3. 3.Institut de Recherches sur la CatalyseVilleurbanneFrance

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