title: High-performance liquid chromatography of the bis(dinitrophenyl)hydrazone derivative of ascorbic acid, applied to analysis of ascorbic acid in beer.
mesh_terms: D001205:Ascorbic Acid / Q000032:analysis*; D001515:Beer / Q000032:analysis*; D002851:Chromatography, High Pressure Liquid; D010659:Phenylhydrazines
chemical_list: D010659:Phenylhydrazines; C004787:2,4-dinitrophenylhydrazine; D001205:Ascorbic Acid