Chemical availability of arsenic and antimony in industrial soils

Judit Gal, Andrew S. Hursthouse, Simon J. Cuthbert

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43 Citations (Scopus)


Total concentrations and extractable fractionations of As and Sb were determined in soil samples from former mining sites in Scotland and Italy. Pseudo-total levels of As and Sb in the sample were between 50–17,428 mg/kg and 10–1,187 mg/kg (Scotland), and 16–691 mg/kg and 1.63–11.44 mg/kg (Italy). Between 0.001–0.63% and <0.001−8.82% of the total soil As and Sb, were extractable using, a single extraction bioavailability estimate. Data from an As-specific extraction procedure revealed that up to 60% of As was associated to amorphous Fe-Al oxyhydroxide phase in all soils. A non-specific-sequential extraction test also showed As to be strongly associated with Fe (and Al) oxyhydroxides at both locations. In the case of Sb, in addition to the crystalline Fe-oxide bound Sb the Al-silicate phase also appeared to be significant. At both sites Sb appears to be chemically more accessible than As with consistent availability despite the varied origin and host soil properties.
Original languageEnglish
Pages (from-to)149-153
Number of pages5
JournalEnvironmental Chemistry Letters
Issue number4
Publication statusPublished - Feb 2006


  • contaminated soil
  • arsenic
  • antimony
  • availability
  • Mobility
  • sequential extraction
  • mining


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