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Translational and rotational dynamics of methane in ZSM-5 zeolite: A quasi-elastic neutron scattering study

✍ Scribed by Hervé Jobic; Marc Bée; Gordon J. Kearley

Book ID
107894427
Publisher
Elsevier Science
Year
1989
Tongue
English
Weight
464 KB
Volume
9
Category
Article
ISSN
0144-2449

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## Ž . The diffusivities of long n-alkanes in ZSM-5 have been measured by quasi-elastic neutron scattering QENS . Self-diffusion coefficients and activation energies for chains up to C have been obtained. Reasonable agreement is 14 observed with single-crystal membrane experiments, except for C ,

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Results of the first pulsed field gradient (PFG) NMR studies of hydrogen diffusion in zeolites are presented and compared with corresponding measurements by quasielastic neutron scattering (QENS). The results of the two techniques were in satisfactory agreement. Similarly as with other probe molecul