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The washout effect during laundry on benzothiazole, benzotriazole, quinoline, and their derivatives in clothing textiles
Stockholm University, Faculty of Science, Department of Environmental Science and Analytical Chemistry.
Stockholm University, Faculty of Science, Department of Environmental Science and Analytical Chemistry.
Stockholm University, Faculty of Science, Department of Environmental Science and Analytical Chemistry.
Stockholm University, Faculty of Science, Department of Environmental Science and Analytical Chemistry.
Number of Authors: 4
2016 (English)In: Environmental science and pollution research international, ISSN 0944-1344, E-ISSN 1614-7499, Vol. 23, no 3, 2537-2548 p.Article in journal (Refereed) Published
Abstract [en]

In two previous papers, the authors have shown that benzothiazole, benzotriazole, quinoline, and several of their derivatives are widespread in clothing textile articles. A number of these compounds exhibit allergenic and irritating properties and, due to their octanol-water partition coefficient, are prone to be absorbed by the skin. Moreover, they are slightly soluble in water, which could make washing of clothes a route of emission into the environment. In the present study, the washout effect of benzothiazole, benzotriazole, quinoline, and some of their derivatives has been investigated. Twenty-seven textile samples were analyzed before, as well as after five and ten times of washing. The most abundant analyte was found to be benzothiazole, which was detected in 85 % of the samples with an average concentration of 0.53 mu g/g (median 0.44 mu g/g), followed by quinoline, detected in 81 % of the samples with an average concentration of 2.42 mu g/g (median 0.21 mu g/g). The average decrease in concentration for benzothiazoles was 50 % after ten times washing, while it was around 20 % for quinolines. The average emission to household wastewater of benzothiazoles and quinolines during one washing (5 kg of clothes made from polyester materials) was calculated to 0.5 and 0.24 g, respectively. These results strongly indicate that laundering of clothing textiles can be an important source of release of these compounds to household wastewater and in the end to aquatic environments. It also demonstrates a potential source of human exposure to these chemicals since considerable amounts of the compounds remain in the clothes even after ten times of washing.

Place, publisher, year, edition, pages
2016. Vol. 23, no 3, 2537-2548 p.
Keyword [en]
Benzothiazoles, Benzotriazoles, Quinolines, Clothing, Textiles, Garments
National Category
Earth and Related Environmental Sciences
Identifiers
URN: urn:nbn:se:su:diva-126872DOI: 10.1007/s11356-015-5405-7ISI: 000368376800053PubMedID: 26429136OAI: oai:DiVA.org:su-126872DiVA: diva2:905456
Available from: 2016-02-22 Created: 2016-02-16 Last updated: 2016-02-22Bibliographically approved

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Luongo, GiovannaAvagyan, RozannaÖstman, Conny
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