2009•Science and Technology of Cereals,oils and FoodsRequires access

Determination of the organophosphorus pesticide residues in rice by gas chromatograph

H. Lu

Abstract

A method for the determination of 12 kinds of the residues of organophosphorus pesticide in rice by gas chromatograph was developed.The result showed that all the residues were separated well in DB-1701 in 12 min.The average recovery rate of the 12 pesticides with 3 amounts of addition were ranged from 63.00% to 126.33%.The relative standard deviation were around 1.15%～11.12% and the detection limit 0.0010～0.0037 mg/kg.This method has the merits of rapid,high accuracy,precision and can meet the needs of determinating pesticide residue.

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Key concepts: Chromatography, Pesticide residue, Gas chromatography, Detection limit, Pesticide, Relative standard deviation, Chemistry, Residue (chemistry)