Film and line tension effects on the attachment of particles to an interface: IV. Experimental studies with bubbles in solutions of dodecyl sodium sulfate

Abstract

The film and line tensions appearing when a bubble is pressed against a liquid-gas interface are measured with solutions of dodecyl sodium sulfate at two electrolyte concentrations. A strong dependence of the film and line tensions on the system geometrical parameters is found. The measured values of the line tension are in agreement with the experimental results of S. Torza and G. Mason ( Kolloid-Z. Z. Polym. 246, 593 1971) and the theory of N. V. Churaev et al. ( Kolloidn. Zh. 42, 703, 1980; J. Colloid Interface Sci. 89, 16, 1982) but are different from those of D. Platikanov et al. ( J. Colloid Interface Sci. 75, 612, 620, 1980), and A. Scheludko et al. ( in “The Modern Theory of Capillarity” (F. C. Goodrich and A. Rusanov, Eds.), Akademie-Verlag, Berlin 1981).