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Quantitative PAH determination in road asphalt sample 2702/4 by GC-method developed in 4

Following the GC- and GC-MS methods, the quantitative determination of the original PAH content in the selected asphalt sample 2702/4 (Einstreudecke grob / Juchem) was carried out.

The most reliable results were obtained, when the method was applied to the finely milled sample and quantification was carried out by GC-MS. The determined PAH contents in mg/kg were naphthalene (9), acenaphthylene (<0.1), acenaphtene (97), fluorine (133), phenanthrene (955), anthracene (261), fluoranthene (550), pyrene (407), benzo(a)anthracene (136), chrysene (129), benzo(b)fluoranthene (85), benzo(k)fluoranthene (60), benzo(a)pyrene (126), indeno(1,2,3-cd)pyrene (69), dibenzo(a,h)anthracene (19), benzo(g,h,i)perylene (67). The global concentration of PAHs is thus determined as 3103mg/kg.

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Université Louis Pasteur, Strasbourg 1
25, rue Becquerel
67200 Strasbourg
France
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