A Study to Determine the Feasibility of Using super(31)P NMR for the Analysis of Organophosphorus Insecticide Residues in Cole Crops

A Study to Determine the Feasibility of Using super(31)P NMR for the Analysis of Organophosphorus Insecticide Residues in Cole Crops

Nuclear mangnetic resonance spectroscopy (NMR) is well suited to the detection of organophosphorus insecticide residues on broccoli and cabbage because it operates close to ambient temperatures. Phosphorus-31 NMR is demonstrated for the detection of ten organophosphorus insecticides on the vegetable...

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Veröffentlicht in:Journal of agricultural and food chemistry 1991-05, Vol.39 (5), p.911-911
Hauptverfasser: Mortimer, Richard D, Dawson, Brian A
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container_title Journal of agricultural and food chemistry
container_volume 39
creator Mortimer, Richard D
Dawson, Brian A
description Nuclear mangnetic resonance spectroscopy (NMR) is well suited to the detection of organophosphorus insecticide residues on broccoli and cabbage because it operates close to ambient temperatures. Phosphorus-31 NMR is demonstrated for the detection of ten organophosphorus insecticides on the vegetables. The insecticides investigated are dimethoate, azinphos-methyl, disulfoton, demeton, parathion, diazinon, methamidophos, naled, mevinphos, and malathion. With the exception of naled and mevinphos, the organophosphorus insecticides can be analyzed without additional cleanup of the extract at or below the minimum allowable residue levels by super( 31)P NMR, using a 50-g sample or less and 30 min of acquisition time on a 400-MHz spectrometer.
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title A Study to Determine the Feasibility of Using super(31)P NMR for the Analysis of Organophosphorus Insecticide Residues in Cole Crops
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