title: Spectrophotometric determination of acetaminophen, oxyphenbutazone and salicylamide by nitration and subsequent complexation reactions.
mesh_terms: D000082:Acetaminophen / Q000032:analysis*; D055598:Chemical Phenomena; D002621:Chemistry; D009566:Nitrates; D017942:Nitric Acid; D010113:Oxyphenbutazone / Q000032:analysis*; D012457:Salicylamides / Q000032:analysis*; D013056:Spectrophotometry, Ultraviolet; D013607:Tablets
chemical_list: D009566:Nitrates; D012457:Salicylamides; D013607:Tablets; D000082:Acetaminophen; D017942:Nitric Acid; C031060:salicylamide; D010113:Oxyphenbutazone