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Опубликовано 2006-06-01 Опубликовано на SciPeople2010-05-02 00:32:03 ЖурналChemistry for Agriculture 7


Application of SPME/GC-MS for determination of chlorophenoxy herbicide residues within weed tissues
Krzyżanowski R., Leszczyński B. / Robert Krzyzanowski
In: „Chemistry for Agriculture 7”. (H. Górecki, Z. Dobrzański, P. Kafarski, red.). wyd. CZECH-POL-TRADE, Prague-Brussels, pp. 967-971
Аннотация Application of SPME/GC-MS for determination of accumulation of the MCPA (4-chloro-2-methylphenoxy)acetic acid in aerial parts of three groups of cereal weeds: highly sensitive (scentless mayweed, shepherd’s purse), sensitive species (field horsetail, garden cornflower) and resistant ones (corn cockle, wireweed) has been studied. Dichloromethane extract was performed and identification and quantification of the MCPA was done using a gas chromatography-mass spectrometry (GC-MS) system with a selective ion monitoring (SIM). The chlorophenoxy herbicide showed different level of accumulation within tissues of the studied weeds. The highest concentration of MCPA was found within tissues of the sensitive weed species and the lowest within tissues of the resistant ones.
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