Articles | Volume 4, issue 2
J. Sens. Sens. Syst., 4, 263–269, 2015
https://doi.org/10.5194/jsss-4-263-2015

Special issue: Sensor/IRS2 2015

J. Sens. Sens. Syst., 4, 263–269, 2015
https://doi.org/10.5194/jsss-4-263-2015
Regular research article
17 Aug 2015
Regular research article | 17 Aug 2015

Ammonia storage studies on H-ZSM-5 zeolites by microwave cavity perturbation: correlation of dielectric properties with ammonia storage

M. Dietrich et al.

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Latest update: 20 Sep 2022
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Short summary
The effect of stored ammonia on the complex dielectric permittivity of H-ZSM-5 zeolites with varying storage site density was observed between 200 and 300 °C under reaction conditions by microwave cavity perturbation. Polarization and dielectric losses were differently affected. The sensitivity of the polarization to stored ammonia is almost independent, the sensitivity of the dielectric losses strongly dependent on the storage site density. The results can be explained by proton hopping.
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