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@ARTICLE{BamannSchnitzler:45862,
      author       = {Baßmann-Schnitzler, F. and Séquaris, J.-M.},
      title        = {{S}orption properties of hydrophobically modified
                      poly(acrylic acids) as natural organic matter model
                      substances to pyrene},
      journal      = {Colloids and surfaces / A},
      volume       = {260},
      issn         = {0927-7757},
      address      = {Amsterdam [u.a.]},
      publisher    = {Elsevier Science},
      reportid     = {PreJuSER-45862},
      pages        = {119 - 128},
      year         = {2005},
      note         = {Record converted from VDB: 12.11.2012},
      abstract     = {Amphiphilic natural organic matter (NOM) in soil, water and
                      sediments plays an important role in the fate of low-soluble
                      hydrophobic organic compounds (HOC) in the environment.
                      Scaling NOM structural factors, which affect the transport
                      and immobilization of HOC, is rather involved due to the
                      complexity of the NOM materials. Sorption properties of
                      hydrophobically modified polyacrylic (HMPA) polymers as NOM
                      model substances for pyrene were investigated and discussed
                      with regard to reported NOM results. Emission fluorescence
                      spectroscopic properties of pyrene and potentiometric
                      titrations were used to characterize the hydrophobic and
                      acidic properties of HMPA samples. Excitation fluorescence
                      spectroscopy allowed a speciation of pyrene molecules.
                      Overall complexation constants, beta(1) and beta(2) of
                      pyrene with hydrophobic moieties (-C8H17) and (-C16H33) were
                      calculated depending on the pH and electrolyte cation nature
                      at an ionic strength of 10 mM, typical of soil solution
                      conditions. Aggregation of HMPA molecules was detected by
                      photon correlation spectroscopy. Normalized sorption
                      constant K-oc values for pyrene with HMPA samples similar to
                      reported values with NOM support recent observations on the
                      contribution of aliphatic moieties to the binding of
                      polyaromatic hydrocarbons (PAH). The HMPA samples also model
                      the partitioning behavior of hydrophobic micelle-like
                      structures of NOM. (c) 2005 Elsevier B.V. All rights
                      reserved.},
      keywords     = {J (WoSType)},
      cin          = {ICG-IV},
      ddc          = {540},
      cid          = {I:(DE-Juel1)VDB50},
      pnm          = {Chemie und Dynamik der Geo-Biosphäre},
      pid          = {G:(DE-Juel1)FUEK257},
      shelfmark    = {Chemistry, Physical},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000230714500015},
      doi          = {10.1016/j.colsurfa.2005.04.001},
      url          = {https://juser.fz-juelich.de/record/45862},
}