The Waters Pico Tag Method has been widely used for amino acid analysis for over two decades. This method is applicable to any sample including protein hydorylasates, physiological fluids, feeds, foods and pharmaceudical preparations. The Pico Tag Chemistry Package is an all-inclusive package that includes: column reagent kit, eluents, diluents, manual, and column heater inserts.In order to perform the Pico.Tag methodology, a Pico.Tag workstation is needed. The workstation and parts can be purchased through Eldex