title: A convenient manual trinitrobenzenesulfonic acid method for monitoring amino acids and peptides in chromatographic column effluents.
mesh_terms: D000596:Amino Acids / Q000032:analysis*; D007202:Indicators and Reagents; D008832:Microchemistry; D009555:Ninhydrin; D010455:Peptides / Q000032:analysis*; D013053:Spectrophotometry / Q000379:methods; D014302:Trinitrobenzenesulfonic Acid
chemical_list: D000596:Amino Acids; D007202:Indicators and Reagents; D010455:Peptides; D014302:Trinitrobenzenesulfonic Acid; D009555:Ninhydrin