The Effects of Physico-chemical Properties of soils on PCBs Analysis

토양의 이화학적 특성이 PCBs 분석에 미치는 영향

  • Kim, Tae-Seung (National Institute of Environmental Research) ;
  • Shin, Sun-Kyoung (National Institute of Environmental Research) ;
  • Chang, Jun-Young (Korea University, College of Life & Environmental Sciences, Division of Environmental Science & Ecological Engineering)
  • 김태승 (국립환경연구원 환경위해성연구부 토양환경과) ;
  • 신선경 (국립환경연구원 폐기물연구부 폐기물화학과) ;
  • 장준영 (고려대학교 생명환경과학대학 환경생태공학부)
  • Received : 2002.10.01
  • Accepted : 2002.12.20
  • Published : 2003.02.25

Abstract

The effects of physico-chemical properties of soils on PCBs analysis in Korea was studied Three kinds of extraction solvents(toluene, acetone:hexane, dichloromethane) was selected to apply three different soils. The silicagel, florisil and alumina column cleanup also performed to compare the elution patterns, and three different methods (EPA, Japan, Proposed method in this study) of 62 PCBs also compared the individual peaks recoveries. The solvent average recovery was surveyed the order of toluene, acetone:hexane, dichloromethane as 77.94%, 58.59%, 54.20% for soil A, 53.65%, 80.32%, 68.27% for soil B and 44.52%, 60.35%, 56.36% for soil C, respectively. The average recovery was depended on the soil characters. The highest recoveries of each soil were obtained the toluene for soil A, acetone:hexane for soil B and C. However, the coplanar PCBs was obtained the highest recovery with dichloromethane. Thus, to select the solvent for the analysis of PCBs in solid, the selected compounds have to consider to get good result. The silicagel, florisil, alumina I and alumina II column cleanup process were surveyed the range of 38.73%~98.26%, and the higher chlorinated compounds was obtained the lower recovery compared to the low chlorinated compounds, generally. This results are also consistent with the coplanar PCBs isomers. The compared results of three different countries were obtained the 37.15% for USA, 45.92% for Japan and 44.46% for proposed method in this study.

Keywords

Polychlorinated biphenyls;coplanar-PCBs

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