NDLI: Occurrence of perfluoroalkyl acids in precipitation from Shenyang, China

Content Provider	Springer Nature Link
Author	Liu, Wei Dong, GuangHui Jin, YiHe Sasaki, Kazuaki Saito, rimitsu Sato, Itaru Tsuda, Shuji Nakayama, Shoji F.
Copyright Year	2009
Abstract	Perfluorosulfonates (PFSAs) and perfluorocarboxylates (PFCAs) in precipitation collected from Shenyang, China were determined. Snow samples were collected in the snow event on March 4, 2007 from 34 sites involving both the urban and suburban areas in Shenyang. The snowmelt was preconcentrated by solid phase extraction and analyzed using LC-MS method. Measurable amounts of perfluoroalkyl acids (PFAS) were found in precipitation samples from Shenyang, demonstrating that wet deposition is one possible pathway for the removing of the selected PFAS chemicals from atmosphere. Major PFAS detected were PFOS (<0.38–51 ng/L), PFOA (0.82–13 ng/L) and PFHpA (0.76–11 ng/L), with their mean concentration of 5.4, 3.3 and 2.9 ng/L, respectively. Other PFSAs and PFCAs were detected at much lower frequency or below the limit of detection in all the samples. The work presented here offers some basis for the investigation on the environmental behavior and the evaluation of human exposure to PFAS.
Starting Page	2440
Ending Page	2445
Page Count	6
File Format	PDF
ISSN	10016538
Journal	Chinese Science Bulletin
Volume Number	54
Issue Number	14
e-ISSN	18619541
Language	English
Publisher	SP Science in China Press
Publisher Date	2009-07-18
Publisher Place	Heidelberg
Access Restriction	Subscribed
Subject Keyword	perfluorosulfonates perfluorocarboxylates snow wet deposition Engineering Earth Sciences Chemistry/Food Science Physics Life Sciences Science
Content Type	Text
Resource Type	Article
Subject	Multidisciplinary

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