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SimonichStaciEMTSolventSelectionPressurized.pdf Public Deposited

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https://ir.library.oregonstate.edu/concern/defaults/g445cf063

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  • Pressurized liquid extraction (PLE) was evaluated as a method for extracting semivolatile organic compounds (SOCs) from air sampling media; including quartz fiber filter (QFF), polyurethane foam (PUF), and a polystyrene divinyl benzene copolymer (XAD-2). Hansen solubility parameter plots were used to aid in the PLE solvent selection in order to reduce both co-extraction of polyurethane and save time in evaluating solvent compatibility during the initial steps of method development. A PLE solvent composition of 75:25% hexane:acetone was chosen for PUF. The XAD-2 copolymer was not solubilized under the PLE conditions used. The average percent PLE recoveries (and percent relative standard deviations) of 63 SOCs, including polycyclic aromatic hydrocarbons (PAHs), polychlorinated biphenyls (PCBs), and organochlorine, amide, triazine, thiocarbamate, and phosphorothioate pesticides, were 76.7 (6.2), 79.3 (8.1), and 93.4 (2.9) % for the QFF, PUF, and XAD-2, respectively.
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  • description.provenance : Approved for entry into archive by Erin Clark(erin.clark@oregonstate.edu) on 2014-08-06T18:50:45Z (GMT) No. of bitstreams: 3 SimonichStaciEMTSolventSelectionPressurized.pdf: 90715 bytes, checksum: 81c2b6d893180fa183a4140d94003db6 (MD5) SimonichStaciEMTSolventSelectionPressurized_Figures.pdf: 375146 bytes, checksum: 56ead409da2c207b5ddf39278aa0ed28 (MD5) SimonichStaciEMTSolventSelectionPressurized_Tables.pdf: 40108 bytes, checksum: a9fe79891d0279e362b2fcdaa5186d4e (MD5)
  • description.provenance : Made available in DSpace on 2014-08-06T18:50:45Z (GMT). No. of bitstreams: 3 SimonichStaciEMTSolventSelectionPressurized.pdf: 90715 bytes, checksum: 81c2b6d893180fa183a4140d94003db6 (MD5) SimonichStaciEMTSolventSelectionPressurized_Figures.pdf: 375146 bytes, checksum: 56ead409da2c207b5ddf39278aa0ed28 (MD5) SimonichStaciEMTSolventSelectionPressurized_Tables.pdf: 40108 bytes, checksum: a9fe79891d0279e362b2fcdaa5186d4e (MD5) Previous issue date: 2008-06
  • description.provenance : Submitted by Erin Clark (erin.clark@oregonstate.edu) on 2014-08-06T18:50:32Z No. of bitstreams: 3 SimonichStaciEMTSolventSelectionPressurized.pdf: 90715 bytes, checksum: 81c2b6d893180fa183a4140d94003db6 (MD5) SimonichStaciEMTSolventSelectionPressurized_Figures.pdf: 375146 bytes, checksum: 56ead409da2c207b5ddf39278aa0ed28 (MD5) SimonichStaciEMTSolventSelectionPressurized_Tables.pdf: 40108 bytes, checksum: a9fe79891d0279e362b2fcdaa5186d4e (MD5)

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