Document Detail


Photolytic degradation of triclosan in freshwater and seawater.
MedLine Citation:
PMID:  16930676     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
A 12-days photolysis experiment of triclosan, a widely used bactericide, was performed in freshwater and seawater under a low intensity artificial white light source. Photodegradation of triclosan was observed in both the freshwater and seawater samples. Assuming a first-order reaction, half-lives of triclosan in the freshwater and seawater were approximately 8 and 4 days, respectively. 2,8-Dichlorodibenzo-p-dioxin (DCDD) was detected in both the freshwater and seawater samples after 3 days of irradiation. The photodegradation of triclosan and the production of DCDD suggest that triclosan could be less stable and DCDD might be more stable in seawater than freshwater. As a result, DCDD produced from triclosan survives for a longer time in seawater.
Authors:
Kazushi Aranami; James W Readman
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2006-08-22
Journal Detail:
Title:  Chemosphere     Volume:  66     ISSN:  0045-6535     ISO Abbreviation:  Chemosphere     Publication Date:  2007 Jan 
Date Detail:
Created Date:  2006-11-28     Completed Date:  2007-05-10     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0320657     Medline TA:  Chemosphere     Country:  England    
Other Details:
Languages:  eng     Pagination:  1052-6     Citation Subset:  IM    
Affiliation:
National Institute for Environmental Studies, Onogawa 16-2, Tsukuba, Ibaraki 305-0053, Japan. arachan4553@hotmail.co.jp
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MeSH Terms
Descriptor/Qualifier:
Dioxins / chemical synthesis
Environmental Remediation / methods
Fresh Water / analysis*
Light
Models, Chemical
Photolysis*
Seawater / analysis*
Triclosan / chemistry*
Water Pollutants, Chemical / chemistry*
Chemical
Reg. No./Substance:
0/Dioxins; 0/Water Pollutants, Chemical; 3380-34-5/Triclosan; 38964-22-6/2,8-dichlorodibenzo-4-dioxin

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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