title: Identification of amino acids in picomole amounts as their 5-dibutylaminonaphthalene-1-sulphonyl derivatives.
mesh_terms: D000596:Amino Acids / Q000032:analysis*; D002082:Butylamines / Q000032:analysis; D013058:Mass Spectrometry; D008832:Microchemistry; D009282:Naphthalenesulfonates / Q000032:analysis*; D012997:Solvents
chemical_list: D000596:Amino Acids; D002082:Butylamines; D009282:Naphthalenesulfonates; D012997:Solvents