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5325956 
Journal Article 
Use of ionic liquid-filled semipermeable membrane for extraction of polycyclic aromatic hydrocarbons in water 
Zhao, WY; Han, M; Dai, SG; Zhong, X 
2005 
1 
Chinese Chemical Letters
ISSN: 1001-8417
EISSN: 1878-5964 
16 
4 
520-522 
English 
WOS:000228574100027 
A novel and facile sample preparation method was developed for the extraction of polycyclic aromatic hydrocarbons (PAHs) in aqueous sample solution using 1-butyl-3-methylimidazolium hexafluorophosphate ([C4MIM] [PF6]) - filled semipermeable membrane. For 24 hrs extraction of naphthalene, 1-methylnaphthalene, 2-chloronaphthalene, phenanthrene, the result showed that the extraction efficiency, correlation coefficient (R2) and RSD (n=5) were in the range of 67-102%, 0.9870-0.9962, and 2.1-5.3%, respectively. 
ionic liquid; semipermeable membrane; extraction; polycyclic aromatic hydrocarbons