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Photocatalytic decomposition of pendimethalin and alachlor.
Chemosphere 25, 1675-1682 (1992)
Two herbicides pendimethalin [N-(1-ethylpropyl)-2,6-dinitro-3,4-xylidine] and alachlor (2-chloro-2',6'-diethyl-N-methoxymethylacetanilide) were investigated under photolysis using aqueous titanium dioxide suspensions and wave lengths 290 nm. The degradation approximately followed first order kinetics. Several products were isolated and the structure determined by GC-MS and NMR. The photodecomposition of pendimethalin in the presence of TiO2 involves N-dealkylation and nitro group elimination and in the case of alachlor oxidation on both side chain and aromatic ring takes place.
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Publication type
Article: Journal article
Document type
Scientific Article
ISSN (print) / ISBN
0045-6535
e-ISSN
1879-1298
Journal
Chemosphere
Quellenangaben
Volume: 25,
Issue: 11,
Pages: 1675-1682
Publisher
Elsevier
Publishing Place
Kidlington, Oxford
Non-patent literature
Publications
Reviewing status
Peer reviewed
Institute(s)
Institute of Ecological Chemistry (IOEC)