Journal of Korean Society on Water Environment (한국물환경학회지)

Korean Society on Water Environment (한국물환경학회)
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Fast Analytical Method of PCDD/Fs in Water by Combination of Disk Type Solid Phase Extraction and Column Coupling Chromatography

디스크타입 고상추출장치 및 컬럼커플링을 이용한 물시료의 PCDD/Fs 간이분석법

  • 최재원 (한국수자원공사 수돗물분석연구센터) ;
  • 문부식 (한국수자원공사 수돗물분석연구센터) ;
  • 김경심 (한국수자원공사 수돗물분석연구센터) ;
  • 김정희 (한국수자원공사 수돗물분석연구센터) ;
  • 김순흥 (한국수자원공사 수돗물분석연구센터) ;
  • 백경희 (한국수자원공사 수돗물분석연구센터)
  • Received : 2006.04.07
  • Accepted : 2006.06.22
  • Published : 2006.09.30
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Abstract

The analytical methods of polychlorinated dibenzo-p-dioxins, polychlorinated dibenzofurans (PCDD/Fs) for water sample with extremely low concentration was developed to extract large volume and to improve fast chromatography for clean up. Semi-automated solid phase extraction (SPE) system and column coupling chromatography using elution pump was optimized and applied to each processes of treatment plant. Results of disk type SPE indicated that this system was applicable below 40 L of aqueous sample with a flow rate of 0.08 ~ 0.2 L/min. Average recoveries of SPE using labeled sampling spike of $^{37}Cl$-2,3,7,8-TCDD was 97%. Column coupling method resulted in reduced clean up time, solvent volume, increased average recoveries with constant elution rate. The combined methods were applied to the monitoring of drinking water treatment plant. Limits of detection (LOD) of each process were calculated. For example, LOD of raw and treated water ranged 0.094~0.968 pg/L and 0.028~0.364 pg/L, respectively. Combined methods of extraction and cleanup techniques provided fast analysis of PCDD/Fs with high accuracy and low LODs for water samples.

Keywords

References

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