Rating active ingredients in pharmaceutical forms such as tablets , suspensions, syrups , capsules, etc. by methods such as high performance liquid chromatography (HPLC), UV spectrophotometry ( UV ), titration, and gravimetry.
Infrared spectrophotometry to determine functional groups on materials (Chemical identity of materials)
Pharmacopeial analysis of dosage forms according to official methods (Solutions, uniformities related substances per plate, or HPLC).