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. 2014 Apr 1;31(4):176–182. doi: 10.1089/ees.2013.0409

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Copyright 2014, Mary Ann Liebert, Inc.

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FIG. 1. — Comparison of desorption of polycyclic aromatic hydrocarbons (PAHs) and oxygenated PAHs (oxy-PAHs) from feed soil (FS) to HLB resin and Tenax beads in the dialysis-tubing desorption method and in the conventional Tenax-bead desorption method. Desorption was less than 2% for benz[a]anthracene (BaA), chrysene (CHR), benzo[b]fluoranthene (BbF), benzo[k]fluoranthene (BkF), benzo[a]pyrene (BaP), dibenz[a,h]anthracene (DBA), and benzo[g,h,i]perylene (BgP) under all methods. Desorption time was 7 days. Values represent mean and standard deviation of triplicates. There was no significant difference (p>0.05) between methods for any of the analytes. NAP, naphthalene; ACE, acenaphthene; FLU, fluorene; PHN, phenanthrene; ANT, anthracene; FLA, fluoranthene; PYR, pyrene; tPAHs, total PAHs; FLO, 9-fluorene; PQ, 9,10-phenanthrene quinone; AQ, 9,10-anthraquinone; BAQ, BaA-7,12-quinone; tOxy-PAHs, total oxy-PAHs.