Bibliographic Details
| Title: |
Environmental transfer of zinc in calcareous soils in zones near oldmining sites with semi-aradic climate |
| Authors: |
Perez-Sirvent, C., Garcia-Rizo, C., Martinez-Sanchez, J. |
| Source: |
Chemosphere. Jul1999, Vol. 39 Issue 2, p209. 0p. |
| Subjects: |
Geomorphology, Soil chemistry, Soil mineralogy, Soils, Zinc |
| Abstract: |
A study on the speciation and bioavailability of zinc in calcareous soils near an old mining site in semi-aridic conditions (S.E. Spain) is presented. The mobility of both solid particles and soluble compounds of zinc are considered. The processes governing zinc transfer from the element-rich zone to the neighbouring soils are strongly influenced by the semi-aridic climate, while the presence of a high proportion of carbonates is also an important factor in the mobilization of the metal. Reactions which take place in the solid-liquid-gas interfaces are discussed. Data were obtained using both conventional methodsfor element speciation and a recently reported method especially adapted to highly calcareous soils. The procedure allows to outline the main speciation forms of zinc in these soils. Data obtained by means of X-ray diffraction spectrometry and SEM - EDX analyzer are used to confirm the chemical results. [ABSTRACT FROM AUTHOR] |
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| Database: |
Engineering Source |
