Belal, S Colorimetric acetaminophen determination in pharmaceutical formulations. [electronic resource] - Journal of pharmaceutical sciences Jun 1979 - 750-3 p. digital Publication Type: Journal Article ISSN: 0022-3549 Standard No.: 10.1002/jps.2600680626 doi Subjects--Topical Terms: Acetaminophen--analysisAniline CompoundsAzo CompoundsChelating AgentsCopperMethodsSolutions--analysisSpectrophotometryTablets--analysis