miscible liquid

A familiar set of miscible liquids is water and alcohol.

When the two miscible liquids are combined, the resulting liquid is clear.

Figure 6.22 shows the three possible types of phase diagram for partially miscible liquids.

A reaction between two gases or two miscible liquids is homogeneous.

Diffusion occurs between mutually soluble or miscible liquids.

As an example, consider the system of two completely miscible liquids such as toluene and benzene, in equilibrium with their vapours.

When two miscible liquids are brought into contact, and diffusion takes place, the macroscopic (or average) concentration evolves following Fick's law.

Acetone ((CH3)2CO) and water are completely miscible liquids.

For fully miscible liquids, the composition of the mixture is a parameter which must be considered in addition to the temperature and pressure in characterising the system.

This is typically done by exchanging the initial aqueous pore liquid for a CO2 miscible liquid such as ethanol or acetone, then onto liquid carbon dioxide and then bringing the carbon dioxide above its critical point.