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Interfacial tension measurements at the interface between two highly immiscible electrolyte solutions: The trapped air bubble method

Allen, RM; Kontturi, K; Williams, DE; (2000) Interfacial tension measurements at the interface between two highly immiscible electrolyte solutions: The trapped air bubble method. Electrochemistry Communications , 2 (10) 703 - 706. 10.1016/S1388-2481(00)00098-9.

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Abstract

A dynamic method for the measurement of interfacial tension at a liquid-liquid interface under controlled interfacial potential difference is described. The interface was formed as a drop suspended at the tip of a liquid filled glass micro-syringe into which a trapped air bubble of known volume had been introduced. Changes in volume of the air bubble allow changes in the surface tension to be calculated. Application to measurement of the variation in interfacial tension with cyclic variation in interfacial potential difference ('cyclic volttensiometry') is demonstrated. (C) 2000 Elsevier Science S.A.

Type:Article
Title:Interfacial tension measurements at the interface between two highly immiscible electrolyte solutions: The trapped air bubble method
DOI:10.1016/S1388-2481(00)00098-9
UCL classification:UCL > School of BEAMS > Faculty of Maths and Physical Sciences > Chemistry

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