Classical amino acid analyzers, based on cation exchange chromatography followed by post column derivitazation with Ninhydrine. For amino acid analysis in food and feedstuff analysis classical amino acid analyzers are the mandatory method for compliance with the EU Commission Directive 98/64/EC describing cation exchange chromatography followed by post column derivitazation with Ninhydrine. The Sykam S 433 Amino Acid Analyzer is a turn key analyzer for physiological fluids and food/feedstuff hydrolysate amino acid analysis. The Sykam S 433 Amino Acid Analyzer is developed as a complete operational system completed with a series of ready to use buffers, reagents and columns for physiological fluids and food/feedstuff hydrolysate amino acid analysis. control software is fully 21 CFR compliance.