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@ARTICLE{Frster:1353,
      author       = {Förster, M. and Laabs, V. and Lamshöft, M. and Pütz, T.
                      and Amerlung, W.},
      title        = {{A}nalysis of aged sulfadiazine residues in soils using
                      microwave extraction and liquid chromatagraphy tandem mass
                      spectrometry},
      journal      = {Analytical and bioanalytical chemistry},
      volume       = {391},
      issn         = {1618-2642},
      address      = {Berlin},
      publisher    = {Springer},
      reportid     = {PreJuSER-1353},
      pages        = {1029 - 1038},
      year         = {2008},
      note         = {Record converted from VDB: 12.11.2012},
      abstract     = {An efficient extraction of sulfadiazine residues from soils
                      is difficult, as sulfadiazine is known to form quickly
                      sequestering residues. The objective of this study was to
                      optimize an exhaustive extraction for aged residues of
                      sulfadiazine and its two major metabolites,
                      N-acetylsulfadiazine and 4-hydroxysulfadiazine, from soil.
                      For this purpose two representative used agricultural soils
                      (Luvisol, Cambisol) were blended with manure derived from
                      [(14)C]sulfadiazine-treated pigs and incubated at 10 degrees
                      C in the laboratory. After different extraction tests with
                      various solvent mixtures (two- to four-component mixtures
                      with water, methanol, acetonitrile, acetone, and/or ethyl
                      acetate), different pH values (pH 4 and 9), and extraction
                      temperatures (up to 200 degrees C), soil extracts were
                      measured by liquid scintillation counting and liquid
                      chromatography coupled to tandem mass spectrometry. With
                      respect to sulfadiazine yields, stability of soil extracts,
                      and the amount of coextracted matrix, a microwave extraction
                      of soil (15 min, 150 degrees C) using acetonitrile/water 1:4
                      (v/v) is the method of choice for the exhaustive extraction
                      of aged sulfadiazine residues from soils.},
      keywords     = {Chromatography, High Pressure Liquid: methods / Microwaves
                      / Reproducibility of Results / Soil: analysis / Solid Phase
                      Extraction: methods / Sulfadiazine: analysis / Sulfadiazine:
                      radiation effects / Tandem Mass Spectrometry: methods / Soil
                      (NLM Chemicals) / Sulfadiazine (NLM Chemicals) / J
                      (WoSType)},
      cin          = {ICG-4},
      ddc          = {540},
      cid          = {I:(DE-Juel1)VDB793},
      pnm          = {Terrestrische Umwelt},
      pid          = {G:(DE-Juel1)FUEK407},
      shelfmark    = {Biochemical Research Methods / Chemistry, Analytical},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:18414833},
      UT           = {WOS:000255996900040},
      doi          = {10.1007/s00216-008-2081-1},
      url          = {https://juser.fz-juelich.de/record/1353},
}