Perfluorinated Compounds and Total and Extractable Organic Fluorine in Human Blood Samples from China | Zendy

Leo W. Y. Yeung | Zendy; Yuichi Miyake | Zendy; Sachi Taniyasu | Zendy; Yuan Wang | Zendy; Hongxia Yu | Zendy; Man Ka So | Zendy; Guibin Jiang | Zendy; Yongning Wu | Zendy; Jingguang Li | Zendy; John P. Giesy | Zendy; Nobuyoshi Yamashita | Zendy; Paul K.S. Lam | Zendy

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Perfluorinated Compounds and Total and Extractable Organic Fluorine in Human Blood Samples from China

Author(s) -

Leo W. Y. Yeung,

Yuichi Miyake,

Sachi Taniyasu,

Yuan Wang,

Hongxia Yu,

Man Ka So,

Guibin Jiang,

Yongning Wu,

Jingguang Li,

John P. Giesy,

Nobuyoshi Yamashita,

Paul K.S. Lam

Publication year - 2008

Publication title -

environmental science and technology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.851

H-Index - 397

eISSN - 1520-5851

pISSN - 0013-936X

DOI - 10.1021/es800631n

Subject(s) - environmental chemistry , fluorine , chemistry , extraction (chemistry) , chromatography , organic chemistry

An improved extraction (ion pairing) and cleanup (ENVI-carb and solid phase extraction) method was developed for analysis of perfluorinated compounds (PFCs) in human whole blood samples from China. Ten PFCs including PFOS, PFHxS, PFOSA, PFDoDA, PFUnDA, PFDA, PFNA, PFOA, PFHpA, and PFHxA were detected in the blood samples (n=30) from five cities (Jintan, Nanjing, Guiyang, Beijing, and Shenyang). PFOS was found to be the dominant PFC ranging from 0.446-83.1 ng/mL. Total fluorine (TF) and extractable organic fluorine (EOF) also were measured in the blood samples using combustion ion chromatography for fluorine. Analysis of known PFCs and extractable organic fluorine showed that known PFCs could account for >70% of EOF in samples from Beijing, Shenyang, and Guiyang, whereas known PFCs could only account for approximately 30% of EOF in samples from Jintan. Results of the present study indicated the presence of substantial amounts of unidentified organic fluorine in human blood samples from Jintan. Characterization and identification of these unidentified fluorinated compounds will be instructive.

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