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Automatic spotting of pesticide extracts on thin-layer plates
M Beroza1, M E Getz, C W Collier
1Entomology Research Division, Agr. Res. Serv., USDA, Beltsville, Maryland.
Bulletin of Environmental Contamination and Toxicology
|November 6, 2013
Abstract:
An apparatus has been devised to apply on a thin-layer sheet 9 samples of 1 or 2 ml of a solvent extract at a rate of 1 ml/20 to 30 min, thereby allowing the solvent to be evaporated by an airstream. Spots were 5 to 6 mm in diameter, and no attention of the analyst was required during spotting. The apparatus has been used to analyze for chlorinated hydrocarbons in soils.
