The following question was recently posted on research gate:
Does surfactant reduce liquid-liquid interfacial tension more than gas-liquid surface tension?
The reason for this behavior was attributed to the presence of cohesive and non-cohesive isotherms in water/gas vs water/oil adsorption of surfactants. The cohesive pressure was one of the reason for the lower decrease in water/gas surface tension compared to water/oil surface tension.
Does this cohesive pressure phenomena occur in oil/gas interfaces, and is there a study which observes this behavior?
Dear Shreya,
I have not a general answer for your question (it is too wide..) Nevertheless, it is well known that through the Dupré's formula all theoretical problems concerning complex interfaces can be faced and solved. I would be honored in helping you, when receiving more precise information about your problem. Please, don't hesitate :
dino. [email protected]
All the best
Dino