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@ARTICLE{Fisseha:55987,
      author       = {Fisseha, R. and Saurer, M. and Jäggi, M. and Szidat, S.
                      and Siegwolf, R. T. W. and Baltensperger, U.},
      title        = {{D}etermination of stable carbon isotopes of organic acids
                      and carbonaceous aerosols in the atmosphere},
      journal      = {Rapid communications in mass spectrometry},
      volume       = {20},
      issn         = {0951-4198},
      address      = {New York, NY},
      publisher    = {Wiley Interscience},
      reportid     = {PreJuSER-55987},
      pages        = {2343 - 2347},
      year         = {2006},
      note         = {Record converted from VDB: 12.11.2012},
      abstract     = {A wet oxidation method for the compound-specific
                      determination of stable carbon isotopes (delta(13)C) of
                      organic acids in the gas and aerosol phase, as well as of
                      water-soluble organic carbon (WSOC), is presented. Sampling
                      of the organic acids was done using a wet effluent diffusion
                      denuder/aerosol collector (WEDD/AC) coupled to an ion
                      chromatography (IC) system. The method allows for
                      compound-specific stable carbon isotope analysis by
                      collecting different fractions of organic acids at the end
                      of the IC system using a fraction collector. delta(13)C
                      analyses of organic acids were conducted by oxidizing the
                      organic acids with sodium persulfate at a temperature of 100
                      degrees C and determining the delta(13)C value of the
                      resulting carbon dioxide (CO(2)) with an isotope ratio mass
                      spectrometer. In addition, analysis of delta(13)C of the
                      WSOC was performed for particulate carbon collected on
                      aerosol filters. The WSOC was extracted from the filters
                      using ultrapure water (MQ water), and the dissolved organic
                      carbon was oxidized to CO(2) using the oxidation method. The
                      wet oxidation method has an accuracy of 0.5 per thousand
                      with a precision of +/-0.4 per thousand and provides a
                      quantitative result for organic carbon with a detection
                      limit of 150 ng of carbon.},
      keywords     = {Acids: chemistry / Aerosols: analysis / Atmosphere:
                      chemistry / Carbon: analysis / Carbon Dioxide: analysis /
                      Carbon Isotopes: analysis / Environmental Monitoring:
                      methods / Gas Chromatography-Mass Spectrometry: methods /
                      Organic Chemicals: analysis / Acids (NLM Chemicals) /
                      Aerosols (NLM Chemicals) / Carbon Isotopes (NLM Chemicals) /
                      Organic Chemicals (NLM Chemicals) / Carbon Dioxide (NLM
                      Chemicals) / Carbon (NLM Chemicals) / J (WoSType)},
      cin          = {ICG-II},
      ddc          = {530},
      cid          = {I:(DE-Juel1)VDB48},
      pnm          = {Atmosphäre und Klima},
      pid          = {G:(DE-Juel1)FUEK406},
      shelfmark    = {Biochemical Research Methods / Chemistry, Analytical /
                      Spectroscopy},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:16921534},
      UT           = {WOS:000239734700014},
      doi          = {10.1002/rcm.2586},
      url          = {https://juser.fz-juelich.de/record/55987},
}