Correlations between physicochemical properties of PAHs and their distribution in soil, moss and reindeer dung at Ny-Alesund of the Arctic
2009
Wang, Zhen | Ma, Xindong | Na, Guangshui | Lin, Zhongsheng | Ding, Qian | Yao, Ziwei
Concentrations of 16 polycyclic aromatic hydrocarbons (PAHs) in soil, moss and reindeer dung collected at Ny-Ålesund of the Arctic were measured to investigate their accumulation trends and distribution in the three compartments. Compared with the other regions, the proportions of 2 + 3 ring PAHs to the total PAHs were higher, whereas the proportions of 5 + 6 ring PAHs were lower in the three compartments at Ny-Ålesund. Significant log/log-linear relationship was observed between the sub-cooled liquid vapor pressure View the MathML source and the soil/moss quotient (QSM). The relation was similar to the relationship between the gas/particle partition coefficient (KP) and View the MathML source of PAHs, implying QSM would be a “mirror image” of KP. Excellent log/log-linear relationships were observed between QSM and KOA as well as between the moss/dung quotient (QMD) and KOW. The results presented here indicate the physicochemical properties are suitable for characterizing the distribution of PAHs in soil, moss and reindeer dung. The physicochemical properties of PAHs are suitable for characterizing their distribution in soil, moss and reindeer dung.
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