Chromatography is a lab strategy for the partition of a blend. The blend is disintegrated in a liquid called the versatile stage, which brings it through a structure holding another material called the fixed stage. The different constituents of the blend travel at various velocities, making them isolated. The division depends on differential parceling between the versatile and fixed stages. Unobtrusive contrasts in a compound's segment coefficient bring about differential maintenance on the fixed stage and in this way influence the division.

Chromatography might be preparative or expository. The motivation behind preparative chromatography is to isolate the parts of a blend for sometime in the future, and is in this manner a type of cleaning. Logical chromatography is done typically with littler measures of material and is for building up the nearness or estimating the general extents of analytes in a blend. The two are not totally unrelated.