Distribution of Heavy Metals in Calcareous and Non-Calcareous Soils in Spain

R. Moral, Robert Gilkes, M.M. Jordan

    Research output: Contribution to journalArticle

    50 Citations (Scopus)

    Abstract

    The distribution of chemical forms of Cd, Ni, Cr, Co, Ag, Pb, Cu, Mn and Zn in eight contaminated soils from Spain was studied using a sequential extraction procedure that fractionates the metal into soluble-exchangeable, specifically sorbed-carbonate bound, oxidizable, reducible and residual forms. SEM and EDXA analysis was used to analyse the soil matrix to determine the distribution of heavy metals. The residual, reducible and carbonate-sorbed forms were dominant. Metals were generally dispersed throughout the soil matrix and could not be located by SEM-EDXA.
    Original languageEnglish
    Pages (from-to)127-142
    JournalWater, Air, and Soil Pollution
    Volume162
    Issue number1-4
    DOIs
    Publication statusPublished - 2005

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