Dissolution is a common characterization test used by the pharmaceutical industry to guide formulation design and to control product quality. It is often a required performance test for solid dosage ...

Industry experts examine the fundamentals of dissolution testing, including challenges resulting from an increasing number of poorly soluble molecules under development in the pharmaceutical pipeline.

It looks like it's disappeared but it's still there. It's just mixed with the water to make a transparent liquid called a solution. A substance that is able to dissolve in water is known as a soluble.