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Open Access Green as soon as Postprint is submitted to ZB.
Soil column chromatography for correlation between capacity factors and soil organic partition coefficients for eight pesticides.
Chemosphere 39, 2239-2248 (1999)
A soil column chromatographic method was developed to measure the capacity factors (k′) of pesticides, in which soil acted as a stationary phase and methanol-water mixture as an eluent. The k′ values of eight pesticides, including three insecticides (methiocarb, azinphos-methyl, fenthion), four fungicides (triadimenol, fuberidazole, tebuconazole, pencycuron), and one herbicide (atrazine), were found to be well fitted to a retention equation, ln k′ = ln k′w-Sθ. Due to similar interactions of solutes with soil and solvent in both sorption determination and retention experiment, log k′ has a good linear correlation with log Koc for the eight pesticides from different classes, in contrast with poor correlation between log k′ from C18 column and log Koc. So the method provides a tool for rapid estimation Koc from experimental k′.
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Publication type
Article: Journal article
Document type
Scientific Article
Keywords
Capacity factors; Soil organic partition coefficients; Soil column chromatography; Pesticides; Mixed solvents
ISSN (print) / ISBN
0045-6535
e-ISSN
1879-1298
Journal
Chemosphere
Quellenangaben
Volume: 39,
Issue: 13,
Pages: 2239-2248
Publisher
Elsevier
Publishing Place
Kidlington, Oxford
Non-patent literature
Publications
Reviewing status
Peer reviewed
Institute(s)
Institute of Ecological Chemistry (IOEC)