RESUMEN

Aspirin and free salicylic acid were determined in combinations containing caffeine, phenacetin, salicylamide, and acetaminophen by liquid chromatography on poly(methyl methacrylate) resin. Precision and accuracy were +/- 2% for salicylic acid, the latter at levels corresponding to 0.02% of the aspirin content.

Asunto(s)

Aspirina/análisis , Salicilatos/análisis , Cromatografía Liquida , Combinación de Medicamentos , Métodos , Comprimidos/análisis

Asunto(s)

Analgésicos/análisis , Cromatografía Liquida/métodos , Acetaminofén/análisis , Resinas Acrílicas , Aspirina/análisis , Cafeína/análisis , Combinación de Medicamentos , Fenacetina/análisis , Poliestirenos , Salicilamidas/análisis , Salicilatos/análisis , Comprimidos