Separation and determination of opiates and diluents in illicit narcotic mixtures.
D002852:Chromatography, Ion Exchange; D003124:Colorimetry; D003911:Dextrans; D008722:Methods; D009294:Narcotics / Q000032:analysis*; D009892:Opium / Q000032:analysis*; D014466:Ultraviolet Rays
D003911:Dextrans; D009294:Narcotics; D009892:Opium