Optimized extraction of polycyclic aromatic hydrocarbons from contaminated soil samples

被引：24

作者：

Gfrerer, M ^{[1
]}

Serschen, M ^{[1
]}

Lankmayr, E ^{[1
]}

机构：

[1] Graz Tech Univ, Inst Analyt Chem Micro & Radiochem, A-8010 Graz, Austria

来源：

JOURNAL OF BIOCHEMICAL AND BIOPHYSICAL METHODS | 2002年 / 53卷 / 1-3期

关键词：

fluidized-bed extraction; Soxhlet extraction; extraction of polycyclic aromatic hydrocarbons; soil;

D O I：

10.1016/S0165-022X(02)00109-4

中图分类号：

Q5 [生物化学];

学科分类号：

071010 ; 081704 ;

摘要：

A comparison of Soxhlet extraction and a new extraction technique, fluidized-bed extraction, has been conducted. The extraction of polycyclic aromatic I hydrocarbons (PAHs) by this new technique has been optimized considering as experimental variables the variation of the number of extraction cycles and the holding time after reaching the heating temperature by means of a surface response design. The significance of the operational parameters of the fluidized-bed extraction onto the performance characteristics has been investigated. For the determination of the analytes, a cleanup of the extracts followed by gas chromatography with mass spectrometric detection was used. The accuracy of the method was established by extraction and analysis of a reference material, supplied from the European Commission's Joint Research Centre. (C) 2002 Elsevier Science B.V. All rights reserved.

引用

页码：203 / 216

页数：14

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