title: Study of the silicic acid procedure of Armour and Burke for the separation of polychlorinated biphenyls from DDT and its analogs.
mesh_terms: D000452:Aldrin; D055598:Chemical Phenomena; D002621:Chemistry; D002849:Chromatography, Gas; D003634:DDT / Q000032:analysis*; D006813:Humidity; D007202:Indicators and Reagents; D008722:Methods; D011078:Polychlorinated Biphenyls / Q000302:isolation & purification*; D012822:Silicon Dioxide; D012997:Solvents; D013696:Temperature; D014867:Water
chemical_list: D007202:Indicators and Reagents; D012997:Solvents; D014867:Water; D012822:Silicon Dioxide; D003634:DDT; D011078:Polychlorinated Biphenyls; D000452:Aldrin