*4.3.1 Liquid chromatography*

There are four classifications for liquid chromatography:


The adsorption and partition chromatography (most widely used in pharmaceutical analysis) are subdivided to:


High performance liquid chromatography (HPLC) belongs to the category of column chromatography and it covers four classes of chromatography: adsorption (LSC), partition (LLC), ion exchange and size-exclusion.
