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KMID : 0893320070220010049
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Journal of Environmental Toxicology
2007 Volume.22 No. 1 p.49 ~ p.55
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Pretreatment Method Development of PCDD/Fs in Sediment Using ASE and SPMDs
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Chun Man-Young
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Abstract
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Three kind of ASE (Accelerated Solvent Extraction) and SPMDs (Semi-Permeable Membrane Devices) combined methods (ASE-SPMDs, ASE-accelerated SPMDs and SPMDs without extraction) and general Soxhlet-GPC were compared each other for the analysis of PCDD/FS in sediment. The average recovery rate of three types ASE and SPMDs combined methods (108.1%) were higher than that of the Soxhlet-GPC (79.5%) for three samples in each method using surrogate internal standards. The average coefficient of variation (10%, ) for each congener of PCDD/Fs shows the reasonable results. Total PCDD/Fs concentrations after SPMDs without extraction were quite low, but those after ASE-SPMDs and ASE-accelerated SPMDs methods were close to the Soxhlet-GPC. Thus, the ASE-SPMDs and ASE-accelerated SPMDs methods are considered as the excellent pre-treatments method because they need less solvent and time without quality degradation.
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KEYWORD
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PCDD/Fs, sediment, ASE, SPMDs, Soxhlet, GPC
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