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  • P-ISSN 1225-0163
  • E-ISSN 2288-8985

A Study on the Separation and Extraction of Polycyclic Aromatic Hydrocarbons in Water Sample by Gas Chromatography/Mass Spectrometry

Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
1998, v.11 no.5, pp.321-331
Lee, Won
Hong, Jee-Eun
Park, Song-Ja
Pyo, Hee Soo
Kim, In-Whan
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Abstract

The separation and sample extraction methods of 19 polycyclic aromatic hydrocarbons (PAHs) in water samples were investigated by gas chromatography/mass spectrometry (GC/MS) and some extraction methods involved liquid-liquid extraction, disk extraction and solid-phase extraction methods. The separation of 19 PAHs was possible by partial variation of oven temperature of GC/MS in temperature range <TEX>$80{\sim}310^{\circ}C$</TEX>. Extraction procedures of PAHs in water samples were somewhat modified and compared as extraction recoveries and the simplicity of methods. Extraction recoveries of PAHs were 71.3~109.5% by liquid-liquid extraction method. By using disk extraction, good extraction recoveries (80.7~94.9%) were obtained in case of <TEX>$C_{18}$</TEX> disk extraction method by filtration. And extraction recoveries of PAHs by <TEX>$C_{18}$</TEX> solid-phase were in the range of 51.8~77.9%. Method detection limits (S/N

keywords
polycyclic aromatic hydrocarbons, extraction methods, GC/MS


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