title: Potential source of error in official diazepam assays.
abstract: A possible source of interference by a benzophenone hydrolysis product with the USP XIX spectrophotometric determination of diazepam in dosages forms is reported. A minor adaptation of the official assay procedures is briefly proposed as one method to correct this error.
mesh_terms: D003975:Diazepam / Q000032:analysis*; D004340:Drug Contamination; D006868:Hydrolysis; D008027:Light; D008722:Methods; D013053:Spectrophotometry
chemical_list: D003975:Diazepam