Resumen de Note to the Spanish Pharmacopoeia; IX edition: bismuth subgallate

R. García Villanova, Jesús Thomas Gómez, F. Bosch

• A gravimetric and complexometric technics of evaluation of bismuth subgallate has been revised. We recommended a complexometric technic, using EDTA and a potassium iodide, Pyrocatechol Viol and thiourea as indicator indifferently, in order to include it in the new Spanish Phamacopeia edition.