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Analytical Method for dimethenamid-P in Selected Raw Agricultural Commodities by Gas Chromatography With Electron Capture Detection

Analytical Method for dimethenamid-P in Selected Raw Agricultural Commodities by Gas Chromatography With Electron Capture Detection

Kim A Anderson, Jennifer L Basile, Eugene R Johnson

J AOAC Int. Sep-Oct 2005;88(5):1428-32.

PMID: 16385993

Abstract:

A sensitive and simple method for the extraction and quantification of the herbicide dimethenamid-P from several raw agricultural commodities (RAC) is presented. The method provides sensitive and well-defined chromatography with baseline resolution in all matrixes tested. Homogenized samples were extracted with methanol-water, filtered, and then extracted with hexanes. A Florisil solid-phase extraction was then applied for the final cleanup. Sample separation and quantification were performed by gas chromatography with an electron capture detector. The instrument detection limit was 0.007 microg/mL, and the practical quantification limit was 0.003 microg/g (w/w) based on a 25 g sample. Recoveries for a series of fortified plant tissues ranged from 69 to 103%. The study demonstrated selective and sensitive recovery of dimethenamid-P from the RAC tested.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP163515148	Dimethenamide-P		163515-14-8	Price

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