期刊
ENVIRONMENTAL POLLUTION
卷 178, 期 -, 页码 367-374出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.envpol.2013.03.043
关键词
PFAS; PBDE; European Alps; Deposition; Temporal trend
资金
- Paul Scherrer Institute
The occurrence and temporal variation of 18 perfluoroalkyl substances (PFASs) and 8 polybrominated diphenyl ethers (PBDEs) in the European Alps was investigated in a 10 m shallow firn core from Colle Gnifetti in the Monte Rosa Massif (4455 m above sea level). The firn core encompasses the years 1997-2007. Firn core sections were analyzed by liquid chromatography tandem mass spectrometry (PFASs) and gas chromatography mass spectrometry (PBDEs). We detected 12 PFASs and 8 PBDEs in the firn samples. Perfluorobutanoic acid (PFBA; 0.3-1.8 ng L-1) and perfluorooctanoic acid (PFOA; 0.2-0.6 ng L-1) were the major PFASs while BDE 99 (
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