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Reaktion adsorbierter organischer Chemikalien bei UV-bestrahlung Photoinduzierte Hydroxylierung auf Kieselgel.
Behavior of adsorbed chemicals upon UV irradiation photoinduced hydroxylation on silica gel.
Chemosphere 13, 623-630 (1984)
The photochemical behaviour of biphenyle, 2-chlorobiphenyle and 4,4-dichlorobiphenyle in the adsorbed state upon irradiation with UV-light (λ > 290 nm) has been investigated. The results indicate that under these conditions organic chemicals are converted to hydroxylated products and in presence of sodium-nitrite to nitrocompounds. The photoinduced hydroxylation of aromatics strongly suggests the generation of hydroxylating species on the silica gel surface. Further it was found that the water molecules on the silica gel surface immediately participate in formation of these species. This study provides the first qualitative data for photoinduced hydroxylation reaction of aromatics on silica gel and reveals the environmental significance of silica gel adsorption on photochemical reactions.
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Publication type
Article: Journal article
Document type
Scientific Article
Language
german
Publication Year
1984
HGF-reported in Year
0
ISSN (print) / ISBN
0045-6535
e-ISSN
1879-1298
Journal
Chemosphere
Quellenangaben
Volume: 13,
Issue: 5-6,
Pages: 623-630
Publisher
Elsevier
Publishing Place
Kidlington, Oxford
Reviewing status
Peer reviewed
Institute(s)
Institute of Ecological Chemistry (IOEC)
Scopus ID
0021215849
Erfassungsdatum
1984-12-31