title: Interference by ascorbate-2-sulfate in the dinitrophenylhydrazine assay of ascorbic acid.
mesh_terms: D001205:Ascorbic Acid / Q000032:analysis*; D003124:Colorimetry; D005069:Evaluation Studies as Topic; D008722:Methods; D009243:NAD; D009574:Nitro Compounds; D010084:Oxidation-Reduction; D010659:Phenylhydrazines; D013464:Sulfuric Acids / Q000032:analysis
chemical_list: D009574:Nitro Compounds; D010659:Phenylhydrazines; D013464:Sulfuric Acids; D009243:NAD; D001205:Ascorbic Acid