Gas–liquid chromatographic determination of aldicarb, aldicarb sulfoxide and aldicarb sulfone in soils and water using a hall electrolytic conductivity detector

Add time:08/10/2019    Source:sciencedirect.com

A method is described for the determination of individual components of toxic aldicarb residues (aldicarb sulfoxide and aldicarb sulfone) in water and soils using a gas chromatographic method with the Hall electrolytic conductivity detector.Aldicarb and its metabolites were extracted from water by chloroform and from soils by water–acetone and water–methanol mixtures. They were separated on a Florisil column and identified by GLC after conversion into aldicarb sulfone by peracetic acid oxidation.The sensitivity of the method is ca. 0.05 ppm of aldicarb.

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