Mulhern, B M An improved method for the separation and removal of organochlorine insecticides from thin-layer plates. [electronic resource] - Journal of chromatography May 1968 - 556-8 p. digital Publication Type: Journal Article Standard No.: 10.1016/0021-9673(68)80110-4 doi Subjects--Topical Terms: Chromatography, Thin LayerDDT--analysisDichlorodiphenyldichloroethane--analysisDieldrin--analysisInsecticides--analysisMethodsSilicon Dioxide