Module 3: "Thin Film Hydrodynamics"
  Lecture 15: ""
 

 

Table 4.4. Interfacial tension

 

Remarks

Sucrose/water

-29.5

Spontaneously soluble

Dextran/water

-8.9

Spontaneously soluble

Sucrose/formamide

-8

Spontaneously soluble

Dextran/formamide

-12.5

Doesn’t solublize. Instead swells like a gel

PMMA/water

+15

Insoluble

4. Water and apolar liquid

1 = apolar liquid
2 = water

would be in a narrow range (51-54 dyne/cm) which means that the two liquids would be immiscible and a clear interface would be observed.

Table 4.5: Interfacial tension

 

Remarks

Water/formamide

-8.1

Soluble

Water/glycerol

-8.7

Soluble

Water/DMSO

-10.7

Soluble

Water/EG

-14.9

Soluble

Water/hexadecane

>51

immiscible