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Lee, S. ; Freitag, D. ; Steinberg, C.E.W. ; Kettrup, A. ; Kim, Y.-H.

Effects of dissolved humic materials on acute toxicity of some organic chemicals to aquatic organisms.

Water Res. 27, 199-204 (1993)
DOI
Open Access Green as soon as Postprint is submitted to ZB.
The influence of dissolved humic materials (DHM) on the acute toxicity of diazinon, tetrabromobisphenol-A (TBP), 4-chloroanilin (4-CA) and pentachlorophenol (PCP) was evaluated using the zebrafish (Brachydanio rerio Hamilton-Buchanan) and waterflea (Daphnia magna Straus). The 96-h LC50 (zebrafish) and 48-h EC50 values for four chemicals were determined in the presence of 0, 0.5, 5.0 and 50 TOC mg/l. The effects of DHM on the toxicity of four test chemicals to B. rerio were not observed in all of the DHM treatments. In the daphnid toxicity test, DHM significantly reduced the toxicity of diazinon and 4-CA, while no reduction of the toxicity of TBP and PCP was observed. These results indicate that the interaction between DHM and chemicals can alter the toxicity of some chemicals to D.magna. | The influence of dissolved humic materials (DHM) on the acute toxicity of diazinon, tetrabromobisphenol-A (TBP), 4-chloroanilin (4-CA) and pentachlorophenol (PCP) was evaluated using the zebrafish (Brachydanio rerio Hamilton-Buchanan) and waterflea (Daphnia magna Straus). The 96-h LC50 (zebrafish) and 48-h EC50 values for four chemicals determined in the presence of 0, 0.5, 5.0 and 50 TOC mg/l. The effects of DHM on the toxicity of four test chemicals to B. rerio were not observed in all of the DHM treatments. In the daphnid toxicity test, DHM significantly reduced the toxicity of diazinon and 4-CA, while no reduction of the toxicity of TBP and PCP was observed. These results indicate that the interaction between DHM and chemicals can alter toxicity of some chemicals to D. magna.
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Publication type Article: Journal article
Document type Scientific Article
Corresponding Author
Keywords acute toxicity; humic substances; Daphnia magna; Brachydanio rerio; pentachlorophenol; 4-chloroanilin; diazinon; tetrabromobisphenol-A
ISSN (print) / ISBN 0043-1354
e-ISSN 1879-2448
Journal Water Research
Quellenangaben Volume: 27, Issue: 2, Pages: 199-204 Article Number: , Supplement: ,
Publisher Elsevier
Publishing Place Amsterdam [u.a.] ; Jena [u.a.]
Non-patent literature Publications
Reviewing status Peer reviewed
Institute(s) Institute of Ecological Chemistry (IOEC)