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Ann-Christin Pöppler, Sebastian Frischkorn, Prof. Dr. Dietmar Stalke and Dr. Michael John Toluene and Lithium Amide Diffusion into Polystyrene: A Slice-Selective NMR-Spectroscopic Study ChemPhysChem 14

Version of Record online: 19 AUG 2013 | DOI: 10.1002/cphc.201300609

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A piece of cake: Slice-selective excitation (SSE) of nuclear spins provides spatially resolved NMR spectra that can be used to follow the unidirectional swelling of cross-linked polystyrene. In addition to concentration profiles for the solvent and solute, the method yields 2H and 7Li quadrupolar splitting profiles that can be used to assess and improve the sample homogeneity for anisotropic NMR measurements.

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