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NMR on emulsions: characterisation of liquid dispersed systems

Journal

MAGNETIC RESONANCE IN CHEMISTRY
Volume 49, Issue -, Pages S93-S104

Publisher

WILEY-BLACKWELL
DOI: 10.1002/mrc.2825

Keywords

NMR; 1H; PFG-NMR; (double) emulsions; hindered and restricted diffusion; droplet size distribution

Funding

  1. Karlsruhe Institute of Technology (KIT) of the German Excellence Initiative
  2. Fraunhofer Institute for Chemical Technology in Pfinztal-Berghausen
  3. Deutsche Forschungsgemeinschaft [SCHU 1417/4-1]

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Pulsed field gradient NMR (PFG-NMR) is an important method for the characterisation of emulsions. Apart from its application in quality control and process development, especially high-field NMR methods can be applied to investigate emulsions properties on the molecular level. Meanwhile, complex emulsion structures such as double emulsions have been developed and require analytical tools especially for the determination of droplet size distributions. This contribution provides an overview on the possibilities and methods of PFG-NMR referring to measurement, data processing and interpretation of droplet size distributions. Comparison of techniques and measurements on double emulsions are presented. Copyright (C) 2012 John Wiley & Sons, Ltd.

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