Resumen de Contribution to the study of F.E. IX: Tannic acid

José María Suñé Arbussá, R. Mª. Díaz, M. Gallo

• The monograph "Acidum Tannicum" by F.E. IX comparing it with that of the Argentine, Belgian, Brazilian, British, French, German, Swiss, Japanese and Russian pharmacopoeias. Some errors or errata in the text are amended and modifications are proposed based on theoretical considerations and experimental data.