کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
4425116 1619211 2012 8 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Spatial distribution of per- and polyfluoroalkyl compounds in coastal waters from the East to South China Sea
موضوعات مرتبط
علوم زیستی و بیوفناوری علوم محیط زیست شیمی زیست محیطی
پیش نمایش صفحه اول مقاله
Spatial distribution of per- and polyfluoroalkyl compounds in coastal waters from the East to South China Sea
چکیده انگلیسی

The spatial distribution of per- and polyfluoroalkyl compounds (PFCs) were investigated in coastal waters collected onboard research vessel Snow Dragon from the East to South China Sea in 2010. All samples were prepared by solid-phase extraction and analyzed using high performance liquid chromatography/negative electrospray ionization-tandem mass spectrometry (HPLC/(−)ESI-MS/MS). Concentrations of 9 PFCs, including C4 and C8 (PFBS, PFOS) perfluoroalkyl sulfonate (PFSAs), C5–C9 and C13 (PFPA, PFHxA, PFHpA, PFOA, PFNA, PFTriDA) perfluoroalkyl carboxylates (PFCAs), and N-ethyl perfluorooctane sulfonamide (EtFOSA) were quantified. The ΣPFC concentrations ranged from 133 pg/L to 3320 pg/L, with PFOA (37.5–1541 pg/L), PFBS (23.0–941 pg/L) and PFHpA (0–422 pg/L) as dominant compounds. Concentrations of PFCs were greater in coastal waters along Shanghai, Ningbo, Taizhou, Xiamen and along coastal cities of the Guangdong province compared to less populated areas along the east Chinese coast. Additionally, the comparison with other seawater PFC measurements showed lower levels in this study.


► Concentrations of various ionic PFCs were firstly quantified in coastal waters of China Sea for the first time.
► PFOA and PFBS, PFHxA, PFNA, PFOS, PFHpA were positively correlated which indicates that the same sources.
► The result of this study is useful for global transport models of PFCs.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Environmental Pollution - Volume 161, February 2012, Pages 162–169
نویسندگان
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