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Open Access Green as soon as Postprint is submitted to ZB.
Photochemical degradation of brominated dibenzo-p-dioxins and -furans in organic solvents.
Chemosphere 22, 821-834 (1991)
The photolytic behavior of halogenated dibenzo-p-dioxins and -furans in the organic solvents methanol and n-hexane was investigated and the corresponding quantum-yields and first order decay rates are reported. The photolysis constants in n-hexane increase with increasing number of bromine atoms in the dibenzo-p-dioxin or dibenzofuran skeleton, e.g. from 4.5x10-4 s-1 for the monobrominated to 7.7x10-3 s-1 for the octabrominated dioxin, and from 4.0x10-3 s-1 for the dibrominated to 8.3x10-2 s-1 for the heptabrominated furan. Photolysis in methanol is nearly six times slower than in n-hexane. The bromine compounds react an order of magnitude faster than the chlorine analogues. The results were used to extrapolate the photochemical fate to lipohilic environmental surfaces.
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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: 22,
Issue: 9-10,
Pages: 821-834
Publisher
Elsevier
Publishing Place
Kidlington, Oxford
Non-patent literature
Publications
Reviewing status
Peer reviewed
Institute(s)
Institute of Ecological Chemistry (IOEC)