Gowda, A T Application of Azure C for the extractive spectrophotometric determination of microgram amounts of penicillin. [electronic resource] - Journal of pharmacological methods Jun 1985 - 275-80 p. digital Publication Type: Journal Article ISSN: 0160-5402 Standard No.: 10.1016/0160-5402(85)90028-2 doi Subjects--Topical Terms: Azure StainsBuffersHydrogen-Ion ConcentrationIndicators and ReagentsPenicillin G--analysisPenicillin V--analysisPenicillins--analysisPhenothiazinesSpectrophotometry