The Pristine Oil/Water Interface: Surfactant-Free Hydroxide-Charged Emulsions

The Pristine Oil/Water Interface: Surfactant-Free Hydroxide-Charged Emulsions

Stable oil‐in‐water emulsions are obtained in alkaline solution in the absence of any conventional surfactant. The oil droplets are charged by hydroxide ions (see picture). The surface charge density is obtained by measuring the size of the emulsion droplets by electroacoustics and the quantity of N...

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Veröffentlicht in:Angewandte Chemie International Edition 2004-07, Vol.43 (27), p.3568-3571
Hauptverfasser: Beattie, James K., Djerdjev, Alex M.
Format: Artikel
Sprache:eng
Schlagworte:
electroacoustics
emulsions
interfaces
zeta potential
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Beschreibung
Zusammenfassung:Stable oil‐in‐water emulsions are obtained in alkaline solution in the absence of any conventional surfactant. The oil droplets are charged by hydroxide ions (see picture). The surface charge density is obtained by measuring the size of the emulsion droplets by electroacoustics and the quantity of NaOH required to keep the pH constant during homogenization.
ISSN:1433-7851
1521-3773
DOI:10.1002/anie.200453916