Chapter 9: Probing Exchange and Diffusion in Confined Systems by 129Xe NMR Spectroscopy
Published:12 Dec 2016
J. Hollenbach, B. Anger, and J. Matysik, in Diffusion NMR of Confined Systems: Fluid Transport in Porous Solids and Heterogeneous Materials, ed. R. Valiullin, The Royal Society of Chemistry, 2016, ch. 9, pp. 294-317.
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Over the last two decades, 129Xe-gas NMR has become a well-known method to probe porous materials, as the chemical shift of the gas is highly sensitive towards its surrounding. Thus, this non-destructive technique is suitable to characterize the pore structure and the interconnectivity as well as the dynamical behavior of a fluid inside the pore space. This chapter provides an overview on the application of 129Xe-MR for probing exchange and dynamics in porous media. Therefore, the NMR-related features and hardware requirements are discussed at first before common experimental techniques and their application examples are introduced.