Amino acid analysis has found extensive analytical application in a variety of fields such as pharmaceutical/food quality control, biological/chemical research, clinical examination and etc. Recently, the high-performance instrument that can perform higher separation is demanded, especially in physiological analyses. To meet this demand, Hitachi offers the L-8900 High Speed Amino Acid Analyzer that can support: software with the dedicated operation screen of amino acid analyzers, and the various analyses methods (analysis column).