title: A color reaction of 1,2-diphenols based on colored complex formation with phenylfluorone and iron(III) and its application to the assay of catecholamines in pharmaceutical preparations.
mesh_terms: D002395:Catecholamines / Q000032:analysis*; D002396:Catechols / Q000032:analysis*; D003124:Colorimetry; D005290:Ferric Compounds / Q000032:analysis*; D005452:Fluoresceins / Q000032:analysis*; D007202:Indicators and Reagents; D007501:Iron / Q000032:analysis*; D013056:Spectrophotometry, Ultraviolet
chemical_list: D002395:Catecholamines; D002396:Catechols; D005290:Ferric Compounds; D005452:Fluoresceins; D007202:Indicators and Reagents; C010159:fluorone Black; D007501:Iron