Literature DB >> 16930676

Photolytic degradation of triclosan in freshwater and seawater.

Kazushi Aranami1, James W Readman.   

Abstract

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.

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Year:  2006        PMID： 16930676     DOI： 10.1016/j.chemosphere.2006.07.010

Source DB:  PubMed          Journal:  Chemosphere        ISSN： 0045-6535            Impact factor:   7.086


  26 in total

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