title: PREDICTION OF STABILITY IN PAHRMACEUTICAL PREPARATIONS. 13. STABILITY, SPECTROPHOTOMETRIC , AND BIOLOGICAL ASSAY OF THE ANTIBIOTIC PORFIROMYCIN IN PHARMACEUTICALLY USEFUL PH RANGES.
mesh_terms: D000900:Anti-Bacterial Agents; D000904:Antibiotics, Antitubercular; D000970:Antineoplastic Agents; D001681:Biological Assay; D002021:Buffers; D002626:Chemistry, Pharmaceutical; D002845:Chromatography; D006863:Hydrogen-Ion Concentration; D011160:Porfiromycin; D012106:Research; D013053:Spectrophotometry
chemical_list: D000900:Anti-Bacterial Agents; D000904:Antibiotics, Antitubercular; D000970:Antineoplastic Agents; D002021:Buffers; D011160:Porfiromycin
keywords: ANTIBIOTICS; ANTINEOPLASTIC AGENTS; BIOLOGICAL ASSAY; BUFFERS; CHEMISTRY, PHARMACEUTICAL; CHROMATOGRAPHY; EXPERIMENTAL LAB STUDY; HYDROGEN-ION CONCENTRATION; SPECTROPHOTOMETRY