期刊
SCIENCE OF THE TOTAL ENVIRONMENT
卷 592, 期 -, 页码 91-96出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.scitotenv.2017.03.090
关键词
Textile; Human exposure; Dermal contact; Children; Cloths; Benzothiazoles; Benzotriazoles
Benzothiazoles (BTHs) and benzotriazoles (BTRs) are used in a wide range of applications, including rubber vulcanization and corrosion inhibition. Limited studies have reported the occurrence of BTHs and BTRs in textiles, including children's clothing. In this study, 79 textile samples (raw as well as tailored) collected in Albany, New York, USA, were analyzed to determine the occurrence of BTH, BTR and their seven common derivatives. BTH, 2-methylthio-benzothiazole (2-Me-S-BTH) and 2-hydroxy-benzothiazole (2-OH-BTH) were found in textiles at a detection rate (DR) of 86%, 54% and 19%, respectively. The DRs of tolyltriazole (TTR), BTR and 5chloro- benzotriazole (5-Cl-BTR) in textiles were below 20%. Although BTH was the most frequently detected compound, BTR levels were elevated in certain textiles and the overall mean concentrations of BTR in textiles were higher than those of BTH. The concentrations of BTH in textiles ranged from 6.1 to 1120 ng/g. The highest concentration of BTR (14,000 ng/g) was found in a printed graphic of infant's bodysuit. On the basis of the measured concentrations, we calculated dermal exposure doses to BTHs and BTRs by infants. The dermal exposure doses were high from the use of socks (244 to 395 pg/kg . bw/d), and the exposure doses of BTHs and BTRs from textiles were as high as 3740 pg/kg bw/d. Printed graphics on clothes, as well as socks, accounted for a major proportion of the exposure doses to BTHs and BTRs. (C) 2017 Elsevier B.V. All rights reserved.
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