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KMID : 0893320010160030121
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Journal of Environmental Toxicology
2001 Volume.16 No. 3 p.121 ~ p.126
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Analysis of Benzophenone in Sediment and Soil by Gas Chromatography/Mass Spectrometry
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Kwon Oh-Seung
Kim Eun-Young
Ryu Jae-Chun
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Abstract
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Analytical method of benzophenone (BP) in sediment and soil was developed by gas chromatography/mass selective detector/selected ion monitoring (GC/MSD/SIM). The ultrasonic extraction of US EPA (method 3550B) method and liquid-liquid extraction for sediment and soil samples were used for the analysis of BP from sediment and soil. BP was extracted with n-hexane. Organic layer was washed with 5% sodium chloride solution. 1∼2 l of the concentrated solution of organic layer was applied to GC/MSD. The retention time of BP peak was 11.10 min. Recovery (％) of BP by ultrasonication from sediment and soil samples was 96.0∼100.6％ and 40.0∼83.0％, respectively. Recovery of BP by liquid-liquid extraction was 51∼59％ in soil samples. The detection limit of BP in sediment and soil samples were determined to 0.1 ng/g.
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KEYWORD
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Benzophenone (BP), Gas chromatography/mass selective detector/selected ion monitoring (GC/MSD/SIM), Gas chromatography/mass spectrometry (GC/MS), Analysis, Soil, Sediment
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