Distribution and availability of arsenic in soils from the industrialized urban area of Beijing, China

Chemosphere
Wei LuoJohn P Giesy

Abstract

Concentrations of arsenic (As) were determined in soils of 5 industrial sites in an urban area of Beijing, China. Fifty seven typical surface soils were sampled to determine total concentrations of metals, pH and dissolved organic carbon (DOC). One hundred and eight deep soils were submitted to a four-step, sequential extraction to assess the relative mobility and bioavailability of As in the soil profiles. Total concentrations of As in surface soils ranged from 5.7 to 2.3 x 10(1) mg kg(-1), dw with greater concentrations inside the perimeter of the chemical plant which had greater concentrations than did other plants. 75.4% of surface soil samples in the industrial area contained concentrations of As that were greater than was considered to be the background concentration of 7.8 mg kg(-1), dw for the region. The mean concentration (9.9 mg kg(-1), dw) in the industrial soils was greater than that soils from other type of land use. Concentrations of As were significantly and negatively correlated with soil pH and DOC in industrial soils. Although mean concentration of total As in the soils from all sites were less at greater depths, the entire range from 0 to 180 cm (especially 0-80 cm) contained concentrations of As that were g...Continue Reading

References

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Citations

Feb 22, 2016·The Science of the Total Environment·Harley T DavisSuzanne McDermott
Jun 12, 2012·Journal of Environmental Management·B González-CorrochanoM Rodas
Feb 24, 2015·Ecotoxicology and Environmental Safety·Marghoob SubhaniSyed Ali Musstjab Akber Shah Eqani
Nov 26, 2015·Science Advances·N T NassarE M Harper
Jan 1, 2018·International Journal of Phytoremediation·Xiulan YanJianyi Wang
Oct 21, 2020·International Journal of Environmental Research and Public Health·Imane LamraouiYanchun Yan

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