Title: Unusual pressure-temperature dependency in the capillary liquid chromatographic separation of C8 alkylaromatics on the MIL-53(Al) metal-organic framework
Authors: De Malsche, Wim ×
Van der Perre, Stijn
Silverans, Sabrina
Maes, Michaël
De Vos, Dirk
Lynen, Frederic
Denayer, Joeri F. M #
Issue Date: 2012
Publisher: Elsevier
Series Title: Microporous and Mesoporous Materials vol:162 pages:1-5
Abstract: The propagation of C8 alkylaromatics (in particular ethylbenzene (EB), p-xylene (pX) and o-xylene (oX)) through MIL-53(Al) packed capillaries at varying temperatures (from 20 to 70 _C) and mobile phase compositions of acetonitrile/1-propanol (75/25, 50/50 and 25/75) has produced unexpected trends in retention behavior and pressure drop; these effects are attributed to framework breathing. Thereby, it seems feasible to perform these chromatographic separations on MIL-53(Al) at elevated temperatures, resulting in much smaller analysis times without losing too much selectivity.
ISSN: 1387-1811
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Centre for Surface Chemistry and Catalysis
× corresponding author
# (joint) last author

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