Immiscible fluids is separated to each other because of interfacial tension force. If interfacial tension force between liquids is lower, easily mixed at interface and form emulsion, else we see a sharp interface between them. Generally in research work we find the interface tension force between air and liquid, but interface tension of liquid with liquid is difficult to find. Could anyone help me find out the interface tension force value between kerosene-oil system and other type of immiscible liquid system, also provide the references.
There are many different techniques used to find the IFT of two immiscible liquids....
You can find the IFT by using spinning drop tensiometer...and pendant drop method...
If have a general idea that your IFT will be below 1mN/m then I suggest you to use spinning drop and if it is above 1mN/m then use pendant drop method....in your case, I think pendant drop method will be best suited.
Hope this will help..
I think you can find the data on a table. A chemist may be able to tell you
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