Abstract
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.
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Dondur, V., Rakić, V., Damjanović, L. et al. Temperature-programmed desorption of n-hexane from hydrated HZSM-5 and NH4ZSM-5 zeolites. J Therm Anal Calorim 84, 233–238 (2006). https://doi.org/10.1007/s10973-005-7160-3
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DOI: https://doi.org/10.1007/s10973-005-7160-3