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Czasopisma help
  1. 1 Acta Chromatographica
Autorzy help
  1. 1 Dimov N.
  2. 1 Papazova D.
  3. 1 Pavlova A.
Lata help
  1. 1 1999
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Content available remote Gas-chromatographic investigation of spilled oil weathering
Pavlova A., Dimov N., Papazova D.
Acta Chromatographica
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1999
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No. 9
133-141
EN
Capillary gas chromatography with FID and mass-spectral detection have been used to distinguish between weathered spilled oils. Data are presented which reveal changes for several hydrocarbon groups from three different oils during weathering. Pattern recognition has been used to compare the n-alkane, isoprenoid, biomarker compound (hopane), naphthalene, phenanthrene and dibenzothiophene content of fresh samples and samples after weathering for 1 and 4 months. Variations in n-alkane concentration as a result of weathering are occasionally readily apparent. In more complicated cases hopanes and dibenzothiophenes must be used for discrimination, by computer, between spilled oils.
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