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@ARTICLE{FernandezBayo:141816,
      author       = {Fernandez-Bayo, Jesus D. and Saison, Carine and Geniez,
                      Chantal and Voltz, Marc and Vereecken, Harry and Berns, Anne
                      E.},
      title        = {{S}orption {C}haracteristics of {C}hlordecone and
                      {C}adusafos in {T}ropical {A}gricultural {S}oils},
      journal      = {Current organic chemistry},
      volume       = {17},
      number       = {24},
      issn         = {1385-2728},
      address      = {Hilversum [u.a.]},
      publisher    = {Bentham Science Publ.},
      reportid     = {FZJ-2014-00156},
      pages        = {2976-2984},
      year         = {2013},
      abstract     = {Banana plantations in tropical humid regions require a high
                      input of pesticides. Given the long history of this
                      practice, a number of pesticides that are now banned have
                      accumulated in these soils. Little is known about the
                      sorption of two banned insecticides, chlordecone and
                      cadusafos, which are known to cause adverse environmental
                      and health effects. We studied the sorption-desorption
                      characteristics (Freundlich sorption-desorption coefficient,
                      Kf, and partition coefficient, Kd) of these two molecules in
                      tropical volcanic soils with different soil properties. In
                      particular, we observed the effect of the chemical nature of
                      the soil organic carbon (SOC). The sorption of chlordecone
                      (35.56<d<144.96 L kg-1) and the desorption hysteresis
                      (apparent hysteresis index, H<0.43) were very high. Sorption
                      was significantly lower for cadusafos (1.47< Kd 19.94 L
                      kg-1) and less hysteretic (0.59< H< 1.08). The correlation
                      between Kd and Kfsor values and SOC content was
                      statistically significant for both molecules (p<0.01). KOC
                      anged between 1218-2547 L kg-1 for chlordecone and between
                      67 L kg-1 and 167 L kg-1 for cadusafos. The chemical
                      composition of the soil organic matter was determined using
                      cross-polarization magic-angle-spinning NMR spectroscopy
                      (CP/MAS NMR). Chlordecone was found to display a higher
                      affinity to soils with shorter alkyl chains and fewer
                      carboxyl groups, while cadusafos had a higher affinity for
                      soils with more oxidized OC (methoxy and carboxyl groups)
                      and longer alkyl chains. This highlights the complex role of
                      SOC chemistry on the sorption of chlordecone and the fact
                      that soil practices, such as the addition of fresh organic
                      amendments, may not efficiently enhance the sorption of
                      chlordecone.},
      cin          = {IBG-3},
      ddc          = {540},
      cid          = {I:(DE-Juel1)IBG-3-20101118},
      pnm          = {245 - Chemicals in the Environment (POF2-245)},
      pid          = {G:(DE-HGF)POF2-245},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000328902400003},
      doi          = {10.2174/13852728113179990121},
      url          = {https://juser.fz-juelich.de/record/141816},
}