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Volume 30 Issue 1
Mar.  2011
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Article Navigation >  CARSOLOGICA SINICA  > 2011  >  30(1): 16-21
WEI Li-li, GUO Fang, WANG Jian-zhe, KANG Cai-xia. Distribution characteristics of organochlorine pesticides in karst subterranean river in Liuzhou[J]. CARSOLOGICA SINICA, 2011, 30(1): 16-21. doi: 10.3969/j.issn.1001-4810.2011.01.003
Citation: WEI Li-li, GUO Fang, WANG Jian-zhe, KANG Cai-xia. Distribution characteristics of organochlorine pesticides in karst subterranean river in Liuzhou[J]. CARSOLOGICA SINICA, 2011, 30(1): 16-21. doi: 10.3969/j.issn.1001-4810.2011.01.003
shu

Distribution characteristics of organochlorine pesticides in karst subterranean river in Liuzhou

doi: 10.3969/j.issn.1001-4810.2011.01.003
  • 1.

    Schoolof Geographical Sciences,Southwest University；Instituteof Karst Geology,CAGS, Karst Dynamics Laboratory, MLR

  • 2.

    Instituteof Karst Geology,CAGS, Karst Dynamics Laboratory, MLR

  • 3.

    Collegeof Environment,China University of Geosciences

  • 4.

    Guilin University of Technology College of Environ mental Science and Engineering

  • Received Date: 2010-11-10
  • Publish Date: 2011-03-25
    Abstract
  • Water samples collected from different positions of two subterranean rivers in Liuzhou Karst Area are tested for18 kinds of organochlorine pesticides(OCPs)by gas chromatography coupled with an electron capture detect(GC/ECD).The results show that except dieldrin aldehyde,17 kinds of OCPs are detected in different levels and the OCPs concentration range from107.68 to1101.55ng/L, with a mean value532.515ng/L. Main OCPs are α-HCH,β-HCH,γ-HCH,δ-HCH,p,p'-DDE,o,p'-DDT,p,p'-DDD,p,p'-DDT,HCB, Heptachlor, Aldrin. Content of the DDTs is the highest. H C Hs and OCPs accountfor75.8%～96% of the total. Meanwhile, the origins of organochlorinated pesticides in the water are investigated. DD Ts mainly comes from soils. H C Hs source is relatively complex, probably originated from industry or long atmospheric transport. Recently use of lindane can also make H C Hsinputconcentrationincrease.Com paring concentration of OCPs in different kinds of water from the world, organochlorine pesticides content is relatively at high level in these two karst underground rivers.

     

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