Abstract
The hydration of dodecyltrimethylammonium hydroxide (DTAOH) micelles was determined by viscosity measurements, giving 39.2 ± 7.0 water molecules per micellized dodecyltrimethylammonium ion. This result is lower than the hydration of DTAB micelles, which is about 65. This difference may be due to the effect of the electro-restrictive structure-making hydroxide ion on the hydration of the alkyltrimethylammonium head group, in comparison with the less hydrated structure-breaking bromide ion.
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Schulz, P.C., Rodriguez, J.L., Morini, M.A. et al. Hydration of dodecyltrimethyl-ammonium hydroxide micelles. Colloid Polym Sci 275, 396–399 (1997). https://doi.org/10.1007/s003960050097
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DOI: https://doi.org/10.1007/s003960050097