Determination of aspirin and salicylic acid in aspirin tablets by second derivative ultraviolet spectrometry.
D001241:Aspirin / Q000032:analysis*; D012459:Salicylates / Q000032:analysis*; D020156:Salicylic Acid; D013056:Spectrophotometry, Ultraviolet / Q000379:methods; D013607:Tablets / Q000032:analysis
D012459:Salicylates; D013607:Tablets; D020156:Salicylic Acid; D001241:Aspirin