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자료유형
학술저널
저자정보
저널정보
한국환경분석학회 환경분석과 독성보건 한국환경분석학회지 제11권 제2호
발행연도
2008.1
수록면
155 - 163 (9page)

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A combined pretreatment method of drinking water sample by solvent extraction, methyl derivatization and gas chromatography-electron capture detector (GC-ECD) method with single capillary column was applied forthe multi-residual analysis of 19 disinfection byproducts (DBPs) including haloacetic aci ds (HAAs), haloacetonitriles (HANs) and the related compounds. HANs, such as dibromoacetonitrile (DBAN), dichloroacetonitrile (DCAN), trichloracetonitrile (TCAN), bromochloroacetonitrile (BCAN), 1,2-dibromo-3-chloropropane (DBCP), 1,1-dichloropropanone (1,1-DCP), 1,1,1-trichloropropanone (1,1,1-TCP), chloropicrin (CP) and ethylenedibromide (EDB) were not transformed the retention time and mass spectrum under the methyl derivatization procedure used for HAAs. Methyl derivatized chloral hydrate (CH) was identified by mass spectrometer.Retention time of this compound was shifted from 7.2 min to 22.5 min. The recovery and RSDs of spiked samples with 2 μg/L were in the ranges of 86~104 % and 1.5~12.2 % for HAAs, and 96~112 % and 2.3~9.9 % for HANs, respectively. The results from the repeated measurements showed that the detection limits of the method (MDLs) were 0.08~4.60 μg/L for HAAs, and 0.18~1.08 μg/L for HANs and the related compounds. This unified method would be effective to reduce the cost and time for the pretreatment of sample and for the instrumental analysis for the target DBP compounds

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