Assessment of metals behaviour in industrial soil using sequential extraction, multivariable analysis and a geostatistical approach
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AuthorGabarrón Sánchez, María; Faz Cano, Ángel; Martínez Martínez, Silvia; Zornoza Belmonte, Raúl; Acosta Avilés, José Alberto
Knowledge AreaEdafología y Química Agrícola
PublisherElsevier Science Publishers
Bibliographic CitationGabarrón, M & Faz, A. & Martínez-Martínez, Silvia & Zornoza, Raúl & Acosta, Jose. (2016). Assessment of metals behaviour in industrial soil using sequential extraction, multivariable analysis and a geostatistical approach. Journal of Geochemical Exploration. 172. 10.1016/j.gexplo.2016.10.015.
The main objectives of this studywere to evaluate the degree of Pb, Cu, Zn, Cd, Cr and Ni pollution using pollution indexes and geostatistical approach, and to assess metals dynamic using sequential extraction procedure and multivariable statistical analysis in surface soils and soil profiles froman industrial complex as a base for a correct management in order to avoid health and environmental problems. Results showed that the industrial activity increases both Pb (103 mgkg−1), Zn (526 mgkg−1) and Cu (39 mgkg−1) concentrations and salinity in soil. Pollution indexes showed that industrial soils were moderately contaminated by Zn, Pb, Cu, Cr and Ni as well as a moderate ecological risk was reported. Two main areas were identified: southeast area with the highest metal concentrations, and northwest areawith the lowest levels. Chemical speciation of metals showed that the residual phase was the dominant phase for all metals. However, Pb and Zn were highly associated to the reducible phase ...
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