Proceedings of the Korean Society of Soil and Groundwater Environment Conference (한국지하수토양환경학회:학술대회논문집)

Korean Society of Soil and Groundwater Environment (한국지하수토양환경학회)
권호 표지

우리나라 토양의 중금속 배경농도 및 특성 조사

  • 김동호 (국립환경연구원 자원순환연구부) ;
  • 김태승 (국립환경연구원 자원순환연구부) ;
  • 윤정기 (국립환경연구원 자원순환연구부) ;
  • 전성환 (국립환경연구원 자원순환연구부) ;
  • 정일록 (국립환경연구원 자원순환연구부) ;
  • 김종하 (국립환경연구원 자원순환연구부)
  • Published : 2005.04.01
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Abstract

The forest soils of 92 sites in Korea were analyzed to survey heavy metal background levels using aqua regia digestion method and 0.1N HCl extraction method. From these results, the average natural contents of heavy metals were Cd 0.287, Cu 15.26, Pb 18.43, Cr 25.36, Zn 54.27, Ni 17.68mg/kg for aqua regia method, and Cd 0.040, Cu 0.48, Pb 3.06, Cr 0.09, Zn 1.54, Ni 0.27mg/kg for 0.1N HCl extraction method. The range of correlation coefficients between heavy metal contents obtained from two methods(aqua regia and 0.1N HCl) was significant as $0.24{\sim}0.88$, and the correlation coefficients were decreased in order of Cd, Pb, Cu, Ni, Cr, Zn.

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