期刊
SCIENCE OF THE TOTAL ENVIRONMENT
卷 563, 期 -, 页码 99-107出版社
ELSEVIER
DOI: 10.1016/j.scitotenv.2016.04.099
关键词
Fabrics; Chemical sorption; PBDEs; Fabric-air partition coefficients; Chamber study
资金
- European Union [295138]
- Natural Sciences and Engineering Research Council of Canada (NSERC) [RGPAS 429679-12]
Cotton and polyester, physically and chemically different fabrics, were characterized for sorption of gas-phase polybrominated diphenyl ethers (PBDEs). Scanning electron microscopic (SEM) images and BET specific surface area (BET-SSA) analysis showed cotton's high microsurface area; NMR analysis showed richness of hexose- and aromatic-carbon in cotton and polyester, respectively. Cotton and polyester sorbed similar concentrations of gas-phase PBDEs in chamber studies, when normalized to planar surface area. However, polyester concentrations were 20-50 times greater than cotton when normalized to BET-SSA, greater than the 10 times difference in BET-SSA. The difference in sorption between cotton and polyester is hypothesized to be due to 'dilution' due to cotton's large BET-SSA and/or greater affinity of PBDEs for aromatic-rich polyester. Similar fabric-air area normalized distribution coefficients (K'(D), 10(3) to 10(4) m) for cotton and polyester support air-side controlled uptake under non-equilibrium conditions. K'(D) values imply that 1 m(2) of cotton or polyester fabrics would sorb gas-phase PBDEs present in 10(3) to 10(4) m(3) of equivalent air volume at room temperature over one week, assuming similar air flow conditions. Sorption of PBDEs to fabrics has implications for their fate indoors and human exposure. (c) 2016 Elsevier B.V. All rights reserved.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据