title: The identification and removal of certain interfering substances encountered in the determination of barbiturates in human liver.
mesh_terms: D000475:Alkenes / Q000302:isolation & purification; D001463:Barbiturates / Q000032:analysis*; D002854:Chromatography, Paper; D003116:Color; D006801:Humans; D006863:Hydrogen-Ion Concentration; D008099:Liver / Q000032:analysis*; D010636:Phenols / Q000302:isolation & purification; D011427:Propiophenones / Q000302:isolation & purification*; D012997:Solvents; D013055:Spectrophotometry, Infrared; D013056:Spectrophotometry, Ultraviolet
chemical_list: D000475:Alkenes; D001463:Barbiturates; D010636:Phenols; D011427:Propiophenones; D012997:Solvents