Extraction of polycyclic aromatic hydrocarbons from highly contaminated soils: a comparison between Soxhlet, microwave and supercritical fluid extraction techniques
- 1 January 1995
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Analytical Proceedings including Analytical Communications
- Vol. 32 (8) , 305-308
- https://doi.org/10.1039/ai9953200305
Abstract
A direct comparison between Soxhlet, microwave-assisted extraction and supercritical fluid extraction is made. Each technique was used to extract sixteen polycyclic aromatic hydrocarbons (PAHs) from a native, contaminated soil. The total amounts of PAHs found were 297.4, 422.9 and 458.0 mg kg–1 using Soxhlet, microwave-assisted extraction and supercritical fluid extraction. The merits and disadvantages of each extraction technique is discussed.Keywords
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