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자료유형
학술저널
저자정보
저널정보
한국환경분석학회 환경분석과 독성보건 한국환경분석학회지 제18권 제4호
발행연도
2015.1
수록면
193 - 201 (9page)

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This study was carried out to improve pretreatment methods for analyzing polychlorinated dibenzo-p-dioxinsdibenzofurans (PCDD/DFs) in environmental samples such as soils and sediments. The official method of using clean-up standard substances and the method of pre-packed column system analysis were applied to the environmental samples. The recovery rates of these two methods were low. In addition, wide ranges of relative standard deviations (RSD) were observed in highly-chlorinated congeners of sediment samples. In the soil samples, similar PCDD/DFs concentrations were observed for each pretreatment method. The sediment samples, however, showed larger RSDs due to complex matrices and low concentrations. An automated preparation system was also applied as a pretreatment method for analyzing PCDD/DFs in environmental samples. This system was found less affected by the proficiency of analysts than the other pretreatment methods. Besides, the automated preparation system was useful for simple/rapid clean-up, and can reduce the consumption of analysis apparatus as well as organic solvents. The automated preparation system can also be applied to monitoring and screening PCDD/DFs in environmental samples.

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