In the light of using biomaterial as pollutants sorbents for the environmental biomonitoring, we report here the results of the absorption of polycyclic aromatic hydrocarbons (PAHs) by pine bark. Quantitative analysis of 19 different polycyclic aromatic compounds was performed, after Soxhlet extraction in dichloromethane, by means GC-MS technique. Pinus was chosen due to its wide distribution in the Mediterranean area. The passive absorption of PAH by pine bark in the metropolitan areas allowed us to evaluate the air quality of Palermo. The obtained results showed a very high range of PAHs concentrations, from 33 microg/kg (bark dry weight), as SigmaPAHs, at the control site to 1015 microg/kg along a road with high traffic flow.

译文

:鉴于使用生物材料作为环境生物监测的污染物吸附剂,我们在此报告松树皮吸收多环芳烃(PAHs)的结果。用GC-MS技术在二氯甲烷中索氏提取后,对19种不同的多环芳族化合物进行了定量分析。选择松属植物是由于其在地中海地区的广泛分布。大城市地区的松树皮对PAH的被动吸收使我们能够评估巴勒莫的空气质量。所获得的结果表明,PAHs的浓度范围非常高,从SigmaPAHs的33微克/千克(树皮干重)到对照地点,到交通流量大的道路上的PAHs浓度为1015微克/千克。

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