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On-line HPLC 1H NMR coupling for the analysis of fatty alcohol ethoxylates

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Summary

The characterisation of fatty alcohol ethoxylate based surfactants by on-line LC-NMR coupling is described. Different surfactant mixtures were separated by a mixed exclusion-adsorption method of liquid chromatography and simultaneously characterised by 1H-NMR spectroscopy. Information about the degree of oligomerisation of the ethylene oxide chain and the chemical structure of the endgroups can be obtained in a one-step experiment.

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References

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Authors and Affiliations

  1. Institut für Organische Chemie, Universität Tübingen, Auf der Morgenstelle 18, D-72076, Tübingen, Germany

    G. Schlotterbeck & K. Albert

  2. Deutsches Kunststoff-Institut, Schloßgartenstrasse 6, D-64289, Darmstadt, Germany

    H. Pasch

Authors
  1. G. Schlotterbeck
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  2. H. Pasch
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  3. K. Albert
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Schlotterbeck, G., Pasch, H. & Albert, K. On-line HPLC 1H NMR coupling for the analysis of fatty alcohol ethoxylates. Polymer Bulletin 38, 673–679 (1997). https://doi.org/10.1007/s002890050104

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  • DOI: https://doi.org/10.1007/s002890050104

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