Semiautomated UV analysis of caffeine in aspirin-phenacetin-caffeine tablets.
D001241:Aspirin / Q000032:analysis; D001322:Autoanalysis / Q000295:instrumentation; D001639:Bicarbonates / Q000032:analysis; D002110:Caffeine / Q000032:analysis*; D008722:Methods; D010615:Phenacetin / Q000032:analysis; D012996:Solutions / Q000032:analysis; D013056:Spectrophotometry, Ultraviolet; D013607:Tablets / Q000032:analysis
D001639:Bicarbonates; D012996:Solutions; D013607:Tablets; D002110:Caffeine; D010615:Phenacetin; D001241:Aspirin