Surface tension of sodium dodecyl sulphate in the presence of a simple electrolyte

• Autorzy: Adamczyk Z. , Para G. , Warszyński P.
• Języki publikacji: EN

Abstrakty

EN

Surface tension of aqueous solutions of sodium dodecyl sulphate (SDS) was measured by the drop-weight method, at various KCl concentrations. A significant reduction of the solution surface tension was observed with increasing electrolyte concentration in accordance with previous literature data obtained for NaCl. The experimental results were quantitatively interpreted in terms of the new theoretical model based on the as-sumption that the counterions penetrate the Stern layer and undergo specific adsorption there. The model proved superior over previously used in the literature reflecting well both the experimental surface tension data and the diffuse double layer potentials.

Słowa kluczowe

EN

surface tension; sodium dodecyl sulphate; electrolyte

• Wydawca: Centrum Upowszechniania Nauki PAN
• Czasopismo: Bulletin of the Polish Academy of Sciences. Chemistry
• Rocznik: 1999
• Tom: Vol. 47, No. 2
• Strony: 175--186
• Opis fizyczny: Bibliogr. 29 poz.

Twórcy

autor

Adamczyk Z.

autor

Para G.

autor

Warszyński P.

• Institute of Catalysis and Surface Chemistry, Polish Academy of Sciences, ul. Niezapominajek 1, 30-239 Kraków, Poland