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A13C spin-lattice relaxation study of micelle formation in aqueous solutions of sodium n-hexanoate

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Summary

The concentration dependence of the13C-relaxation times of the alkyl carbons in aqueous solutions of sodium hexanoate have been measured. Below CMC the relaxation is dominated by the overall motion of the hexanoate ion. In the micelles the overall motion is slower and the internal rotations around the C-C bonds contribute to the relaxation.

Zusammenfassung

Die Konzentrationsabhängigkeit der13C-Relaxationszeiten von Natriumhexanoat in wässriger Lösung wurde bestimmt. Unter CMC ist die Relaxation von der Bewegung des ganzen Moleküls bestimmt. In den Mizellen ist die Bewegung des ganzen Moleküls langsamer, und die inneren Rotationen in der Alkylkette tragen zu der Relaxation bei.

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Authors and Affiliations

  1. Ulf Henriksson Division Physical Chemistry, The Royal Institute of Technology, S-100 44, Stockholm 70, Sweden

    L. Ödberg

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  1. U. Henriksson
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  2. L. Ödberg
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Henriksson, U., Ödberg, L. A13C spin-lattice relaxation study of micelle formation in aqueous solutions of sodium n-hexanoate. Colloid & Polymer Sci 254, 35–38 (1976). https://doi.org/10.1007/BF01526738

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  • DOI: https://doi.org/10.1007/BF01526738

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