After the separation of the mixture of four components, we will have four solutions: each solution contains one component.

 

The first three compounds are chemically altered, existing in their salt form dissolved in aqueous solution. The fourth compound is not chemically altered, but it is dissolved in an organic solvent.

We now want to recover each compound in its original state (i.e., in the non-ionic form) to complete the experiment. We call this step isolation or recovery.

Let's see, one by one, how to recover each compound obtained from the separation process.

Organic Web Chem University of Alberta