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Title: Optimization of the microwave-assisted solvent extraction of petroleum hydrocarbons in marine sediment and soil
Authors: Chee, K.K.
Wong, M.K. 
Lee, H.K. 
Issue Date: Feb-1997
Citation: Chee, K.K., Wong, M.K., Lee, H.K. (1997-02). Optimization of the microwave-assisted solvent extraction of petroleum hydrocarbons in marine sediment and soil. Environmental Monitoring and Assessment 44 (1-3) : 587-603. ScholarBank@NUS Repository.
Abstract: A microwave-assisted solvent extraction (MASE) technique was developed for the quantitative extraction of gasoline- and diesel-range petroleum hydrocarbons (PHs) from soil and marine sediment samples. The influence of different extracting solvents, extraction temperature and duration of extraction on the recoveries of PHs was evaluated using a two-level orthogonal array design (OAD) with a OA8(27) matrix. Gas chromatographic-mass spectrometry (GC-MS) in multiple selective ion monitoring (MSIM) mode was used for the analysis of the PHs in environmental samples. The spiking range of the PHs in the environmental samples was between 1 to 1000 μg/g. Good recoveries (>80%) could be obtained for most of the PHs using the optimum MASE conditions. The limit of detection (LOD) achieved by the GC-MSMS-IM was 0.02 μg/g. A preliminary survey for the levels of PHs in marine sediment and soil samples from different parts of Singapore was carried out using the method.
Source Title: Environmental Monitoring and Assessment
ISSN: 01676369
DOI: 10.1023/A:1005704218842
Appears in Collections:Staff Publications

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