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KMID : 1059519940380100726
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Journal of the Korean Chemical Society
1994 Volume.38 No. 10 p.726 ~ p.733
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A Rapid Method for Analysing Polycyclic Aromatic Hydrocarbons (PAH's) in Urban Dust Using Supercritical Fluid Extraction (SFE) and Gas Chromatography/Mass Spectrometry (GC/MS)
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Heo Gwi-Suk
Kim Dal-ho
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Abstract
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Supercritical fluid extraction (SFE) followed by gas chromatographic separation and mass spectrometric (MS) detection were used in rapid analysis of polycyclic aromatic hydrocarbons (PAH's) in air particulate material extracted for 30 min with 10 ml of supercritical N2O without another sample preparation step. Two samples, urban dust in Seoul area and a certified air particulate reference material 1649 supplied by the NBS (National Bureau of Standards), were processed for the purpose of evaluating extraction and analysis methods. As a result, the quantitative recovery of PAH's in the SFE method was relatively lower than conventional organic solvent extraction methods, but reproducibility was resonable, and analysis time was reduced remarkably. The method has proved to be suitable for monitoring of PAH's in air particulate material.
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