Quantification and Resolution of Dioxins on Capillary Columns

캐필러리 컬럼 종류에 따른 다이옥신 이성체 분리능과 정량 특성 변화

  • Kim, Jong-Guk (Department of Environmental Engineering, Chonbuk National University) ;
  • Park, Jin-Soo (Department of Environmental Engineering, Chonbuk National University) ;
  • Kim, Kyoung-Sim (Department of Environmental Engineering, Chonbuk National University) ;
  • Lee, Geun-Hee (Wastes Management Department., Pusan Metropolitan City) ;
  • Kim, Shin-Jo (Monitoring and Analysis Division, Kyungin Regional Environmental Management Office)
  • 김종국 (전북대학교 환경공학과) ;
  • 박진수 (전북대학교 환경공학과) ;
  • 김경심 (전북대학교 환경공학과) ;
  • 이근희 (부산광역시 청소관리과) ;
  • 김신조 (경인지방환경관리청 측정분석과)
  • Received : 2001.09.25
  • Published : 2002.02.25

Abstract

The analysis of polychlorodibenzo-p-dioxins (PCDDs) and polychlorodibenzo furans(PCDFs) was performed by using four different gas chromatographic columns (SP-2331, DB-5, DB-17 and DB-DIOXIN). The data reported is pertaining to flue gas, fly ash, ambient air, soil and fish. The difference in quantification of samples according to four columns was observed, it was noted that major difference was observed in the flue gas when compared with soil, fly ash, ambient air and fish. The quantification of the same samples according to four columns it was also found that DB-5 column have the highest concentration whereas SP-2331 column showed the lowest concentration. The quantification of DB-17 column for 1,2,3,6,7,8-HxCDF was found to be twice and three times higher when compared with other columns, whereas the quantification of DB-DIOXIN column for 1,2,3,7,8-PeCDD was also found to be over estimated twice when compared with other columns.

본 연구에서는 다이옥신 분석에 일반적으로 사용되고 있는 SP-2331, DB-5, DB-17, DB-DIOXIN 컬럼을 이용하여 소각로 배가스, 소각재, 대기, 토양, 어류 등을 대상으로 17RO 2,3,7,8-치환 이성체에 대한 분리능과 다이옥신 농도의 정량특성 변화를 검토하였다. 컬럼 종류에 따른 각시료별 정량 값 차이는 소각로 배가스, 토양, 소각재, 대기 그리고 어류 순으로 나타났다. 동일 시료에 대한 각 컬럼의 정량값은 DB-5가 가장 높은 농도를 나타냈으며, DB-17과 DB-DIOXIN 그리고 SP-2331 순으로 나타났다. SP-2331 컬럼을 기준으로 DB-5 컬럼은 2,3,7,8-TCDF를 최고 10배까지 높게 정량하는 것으로 나타났으며, DB-17 컬럼은 1,2,3,6,7,8-HxCDF가 상대적으로 2~3배정도 과대평가되었다. 또한 DB-DIOXIN 컬럼에서는 1,2,3,7,8-PeCDD가 상대적으로 1.5~2배 과대 평가하는 것으로 나타나 각각 컬럼에 따라 특정 이성체를 상대적으로 과대 평가하는 것으로 나타났다.

Keywords

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