title: Dual-wavelength spectrophotometry. Part VI. Determination of phenol in industrial waste and the determination of 2,4-dichlorophenol and 2,4,6-trichlorophenol in mixtures by first derivative spectra.
mesh_terms: D000042:Absorption; D002733:Chlorophenols; D007220:Industrial Waste / Q000032:analysis*; D010636:Phenols / Q000032:analysis*; D013053:Spectrophotometry
chemical_list: D002733:Chlorophenols; D007220:Industrial Waste; D010636:Phenols; C004762:2,4-dichlorophenol