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The effect of tetraalkylammonium ions on the stability of dilute o/w emulsions
YKI – Ytkemiska institutet.
1991 (English)In: Colloids and Surfaces, ISSN 0166-6622, E-ISSN 1873-4340, Vol. 53, 157-167 p.Article in journal (Refereed)
Abstract [en]

The effects of tetraalkylammonium ions on the stability of dilute o/w emulsions were investigated with turbidimetric measurements. Large tetraalkylammonium ions were found to induce flocculation of emulsions stabilized by ionic emulsifiers at ten times lower concentrations compared to divalent cations. Emulsions stabilized by nonionic surfactants were also destabilized by low concentrations of organic ions. Increasing the effective size of sodium ions by inclusion complex formation with a crown ether, was also found to destabilize the emulsion. All these observations demonstrate the importance of the ion size/hydrophobicity on the stability of emulsions in the presence of electrolyte.

Place, publisher, year, edition, pages
1991. Vol. 53, 157-167 p.
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:ri:diva-26397OAI: oai:DiVA.org:ri-26397DiVA: diva2:1053399
Note
A658Available from: 2016-12-08 Created: 2016-12-08Bibliographically approved

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