Direct spectrophotometric determination of salicylic acid, acetylsalicylic acid, salicylamide, caffeine, and phenacetin in tablets or powders.
D001241:Aspirin / Q000032:analysis*; D002110:Caffeine / Q000032:analysis; D010615:Phenacetin / Q000032:analysis*; D011208:Powders / Q000032:analysis; D012457:Salicylamides / Q000032:analysis*; D012459:Salicylates / Q000032:analysis*; D013053:Spectrophotometry; D013607:Tablets / Q000032:analysis; D014466:Ultraviolet Rays
D011208:Powders; D012457:Salicylamides; D012459:Salicylates; D013607:Tablets; D002110:Caffeine; D010615:Phenacetin; D001241:Aspirin