{"id":31023,"date":"2014-09-25T19:50:02","date_gmt":"2014-09-25T17:50:02","guid":{"rendered":"https:\/\/oneearth-oneocean.com\/2014\/09\/25\/the-partition-behavior-of-perfluorooctanesulfonate-pfos-and-perfluorooctanesulfonamide-fosa-on-microplastics\/"},"modified":"2014-09-25T19:50:02","modified_gmt":"2014-09-25T17:50:02","slug":"the-partition-behavior-of-perfluorooctanesulfonate-pfos-and-perfluorooctanesulfonamide-fosa-on-microplastics","status":"publish","type":"post","link":"https:\/\/oneearth-oneocean.com\/en\/research-en\/2014\/the-partition-behavior-of-perfluorooctanesulfonate-pfos-and-perfluorooctanesulfonamide-fosa-on-microplastics\/","title":{"rendered":"The partition behavior of perfluorooctanesulfonate (PFOS) and perfluorooctanesulfonamide (FOSA) on microplastics"},"content":{"rendered":"
Fei Wang, Kai Min Shih, Xiao Yan Li, The partition behavior of\nperfluorooctanesulfonate (PFOS) and perfluorooctanesulfonamide (FOSA) on\nmicroplastics, Chemosphere, Volume 119, January 2015, Pages 841-847,\nISSN 0045-6535, http:\/\/dx.doi.org\/10.1016\/j.chemosphere.2014.08.047<\/a>.\n(http:\/\/www.sciencedirect.com\/science\/article\/pii\/S0045653514010200<\/a>)\nAbstract: Microplastics have been recognized as transport vectors for\nheavy metals and organic pollutants to marine animals. Thus, the\nsorption behavior of contaminant on microplastic is crucial to their\ntransport in marine system. In this study, the sorption behavior of PFOS\nand FOSA (two perfluorochemicals) on three kinds of microplastics (PE,\nPS, and PVC) are reported. The isotherm study showed that the sorption\nof PFOS and FOSA on microplastics is highly linear, and it indicated\nthat partition by hydrophobic interaction is the predominant sorption\nmechanism. The Kd values of FOSA on three kinds of microplastics are all\nhigher than those of PFOS, and the reason is attributed to their\ndifferent functional groups. The Kd value of FOSA on three types of\nmicroplastics followed the order as: PE > PVC > PS. Such finding may\nindicate that the molecule composition and structure of microplastics\nplay important roles in their sorption processes of organic pollutants.\nThe PFOS sorption levels on PE and PS particles were increased with the\nincrease of NaCl and CaCl2 concentrations, while the ion concentrations\nhave no effect on FOSA sorption. The study on the pH effects on PFOS and\nFOSA sorption indicated FOSA could partition under various pH conditions\non three types of microplastics while PFOS sorption on PE and PS were\nfavored with lower pH.\nKeywords: PFOS; FOSA; Sorption; Partition; Electrostatic interaction<\/pre>\n","protected":false},"excerpt":{"rendered":"
Fei Wang, Kai Min Shih, Xiao Yan Li, The partition behavior of perfluorooctanesulfonate (PFOS) and perfluorooctanesulfonamide (FOSA) on microplastics, Chemosphere, Volume 119, January 2015, Pages 841-847, ISSN 0045-6535, http:\/\/dx.doi.org\/10.1016\/j.chemosphere.2014.08.047. (http:\/\/www.sciencedirect.com\/science\/article\/pii\/S0045653514010200) Abstract: Microplastics have been recognized as transport vectors for heavy metals and organic pollutants to marine animals. Thus, the sorption behavior of contaminant on microplastic is crucial to their transport in marine system. In this study, the sorption behavior of PFOS and FOSA (two perfluorochemicals) on three kinds of microplastics (PE, PS, and PVC) are reported. The isotherm study showed that the sorption of PFOS and FOSA on microplastics is highly linear, and it indicated that partition by hydrophobic interaction is the predominant sorption mechanism. The Kd values of FOSA on three kinds of microplastics are all higher than those of PFOS, and the reason is attributed to their different functional groups. The Kd value of FOSA on three types of microplastics followed the order as: PE > PVC > PS. Such finding may indicate that the molecule composition and structure of microplastics play important roles in their sorption processes of organic pollutants. The PFOS sorption levels on PE and PS particles were increased with the increase of NaCl and CaCl2 concentrations, while the ion concentrations have no effect on FOSA sorption. The study on the pH effects on PFOS and FOSA sorption indicated FOSA could partition under various pH conditions on three types of microplastics while PFOS sorption on PE and PS were favored with lower pH. Keywords: PFOS; FOSA; Sorption; Partition; Electrostatic interaction<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3504,3423],"tags":[1445,1587,2290,3535,3579],"yoast_head":"\nThe partition behavior of perfluorooctanesulfonate (PFOS) and perfluorooctanesulfonamide (FOSA) on microplastics - One Earth - One Ocean e. V.<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/oneearth-oneocean.com\/en\/research-en\/2014\/the-partition-behavior-of-perfluorooctanesulfonate-pfos-and-perfluorooctanesulfonamide-fosa-on-microplastics\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"The partition behavior of perfluorooctanesulfonate (PFOS) and perfluorooctanesulfonamide (FOSA) on microplastics - One Earth - One Ocean e. V.\" \/>\n<meta property=\"og:description\" content=\"Fei Wang, Kai Min Shih, Xiao Yan Li, The partition behavior of perfluorooctanesulfonate (PFOS) and perfluorooctanesulfonamide (FOSA) on microplastics, Chemosphere, Volume 119, January 2015, Pages 841-847, ISSN 0045-6535, http:\/\/dx.doi.org\/10.1016\/j.chemosphere.2014.08.047. (http:\/\/www.sciencedirect.com\/science\/article\/pii\/S0045653514010200) Abstract: Microplastics have been recognized as transport vectors for heavy metals and organic pollutants to marine animals. Thus, the sorption behavior of contaminant on microplastic is crucial to their transport in marine system. In this study, the sorption behavior of PFOS and FOSA (two perfluorochemicals) on three kinds of microplastics (PE, PS, and PVC) are reported. The isotherm study showed that the sorption of PFOS and FOSA on microplastics is highly linear, and it indicated that partition by hydrophobic interaction is the predominant sorption mechanism. The Kd values of FOSA on three kinds of microplastics are all higher than those of PFOS, and the reason is attributed to their different functional groups. The Kd value of FOSA on three types of microplastics followed the order as: PE > PVC > PS. Such finding may indicate that the molecule composition and structure of microplastics play important roles in their sorption processes of organic pollutants. The PFOS sorption levels on PE and PS particles were increased with the increase of NaCl and CaCl2 concentrations, while the ion concentrations have no effect on FOSA sorption. The study on the pH effects on PFOS and FOSA sorption indicated FOSA could partition under various pH conditions on three types of microplastics while PFOS sorption on PE and PS were favored with lower pH. Keywords: PFOS; FOSA; Sorption; Partition; Electrostatic interaction\" \/>\n<meta property=\"og:url\" content=\"https:\/\/oneearth-oneocean.com\/en\/research-en\/2014\/the-partition-behavior-of-perfluorooctanesulfonate-pfos-and-perfluorooctanesulfonamide-fosa-on-microplastics\/\" \/>\n<meta property=\"og:site_name\" content=\"One Earth - One Ocean e. 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(http:\/\/www.sciencedirect.com\/science\/article\/pii\/S0045653514010200) Abstract: Microplastics have been recognized as transport vectors for heavy metals and organic pollutants to marine animals. Thus, the sorption behavior of contaminant on microplastic is crucial to their transport in marine system. In this study, the sorption behavior of PFOS and FOSA (two perfluorochemicals) on three kinds of microplastics (PE, PS, and PVC) are reported. The isotherm study showed that the sorption of PFOS and FOSA on microplastics is highly linear, and it indicated that partition by hydrophobic interaction is the predominant sorption mechanism. The Kd values of FOSA on three kinds of microplastics are all higher than those of PFOS, and the reason is attributed to their different functional groups. The Kd value of FOSA on three types of microplastics followed the order as: PE > PVC > PS. 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