Spatially resolved transport properties in radially compressed bead packings studies by PFG NMR.

D. van Dusschoten, U. Tallarek, T.W.J. Scheenen, U.D. Neue, H. van As

Research output: Contribution to journalArticleAcademicpeer-review

11 Citations (Scopus)

Abstract

Pulsed field gradient (PFG) multi-echo (ME) and turbo spin-echo (TSE) imaging is used to study dispersive flow in radially compressed chromatographic columns packed with porous silica beads. By using the pulsed field gradient turbo spin-echo sequence spatially resolved displacement imaging can be accelerated by a factor of 16. The positive effect of homogeneous radial packing on flow velocity and dispersion is demonstrated. Small heterogeneities of only a few percent are shown to cause changes of the dispersion coefficient of up to 50%.
Original languageEnglish
Pages (from-to)703-706
JournalMagnetic Resonance Imaging
Volume16
DOIs
Publication statusPublished - 1998

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