Partial molar volume of dodecyltrimethylammonium hydroxide in water and NaOH aqueous solutions |
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| Authors: | M. A. Morini R. M. Minardi P. C. Schulz J. E. Puig J. L. Rodriguez |
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| Affiliation: | (1) Departamento de Química e Ingeniería Universidad Nacional del Sur Avda. Alem 1253 8000 Bahía Blanca Argentina, AR;(2) Departamento de Ingeniería Química Universidad de Guadalajara Jal. México, |
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| Abstract: | The partial molar volume of dodecyltrimethylammonium hydroxide in water and aqueous NaOH solutions was measured. The addition of NaOH did not affect either the micellized or the unmicellized molecules. The expansion on micellization is much larger than in dodecyltrimethylammonium bromide systems, which reflects the stronger ionization of the hydroxide surfactant micelles, when compared with that of the bromide amphiphile. Received: 27 October 1997 Accepted: 4 March 1998 |
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| Keywords: | Hydroxide surfactants micelles partial molar volume Dodecyltrimethylammonium hydroxide |
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