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Digitale Medien

Low-concentration aqueous solutions of undecenoic acid and sodium undecenoate (1999)

Rodríguez, J. L. ; Schulz, P. C. ; Puig, J. E.

Springer

Colloid & polymer science 277 (1999), S. 1072-1078

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Details

ISSN: 1435-1536

Schlagwort(e): Key words Polymerizable surfactant ; Micelles ; Undecenoic acid ; Sodium undecenoate ; Critical micelle concentration

Quelle: Springer Online Journal Archives 1860-2000

Thema: Chemie und Pharmazie , Maschinenbau

Notizen: Abstract The behaviors of low-concentration aqueous solutions of 10-undecenoic acid and its sodium salt were studied by several techniques. The acid does not have a critical micelle concentration, but gives an emulsion of very small droplets at (0.8–1) × 10−4 mol dm−3. The emulsion was clearly visible by eye at 0.002 mol dm−3. The sodium salt has a stepwise aggregation process, giving premicellar aggregates at 0.023 ± 0.008 mol dm−3, which grow to form micelles at 0.117 ± 0.007 mol dm−3. The compositions of the solution and the micelles were also studied.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/s003960050492

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