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Direct coupling of supercritical fluid extraction-supercritical fluid chromatography for the determination of selected polycyclic aromatic hydrocarbons in aqueous environmental samples

Ong, C.P.; Lee, H.K.; Li, S.F.

Environmental Monitoring and Assessment 19(1-3): 63-71

1991


ISSN/ISBN: 0167-6369
PMID: 24233926
DOI: 10.1007/bf00401298
Accession: 052632133

A rapid and simple method is described for the quantitative determination of polycyclic aromatic hydrocarbons in aqueous environmental samples. A microscale on-line supercritical fluid extraction-supercritical fluid chromatography system using carbon dioxide is employed. The extract is analysed using capillary supercritical fluid chromatography with UV detection. Detection was carried out at 254 nm. An extraction efficiency of as high as 91% was obtained for the PAHs.

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