Mobility of Metals in Soil

Mobility of Metals in Soil

Author: ChemistryViews

Quantification of the mobility, bioavailability, and fate of metal contaminants in environmental systems is a key issue for assessing health hazards and metal remediation in ecosystems.

Yann Sivry, University of Toulouse, France, and colleagues proposed a new method to precisely and simultaneously quantify the exchangeable pool of metals in soils and to describe its reactivity at short- and long-term. It is based on multielementary Stable Isotopic Exchange Kinetics (multi-SIEK).

The experiments were performed on a limited number of river-bank soils of the Lot River, France, including polluted soil located near the Zn smelter plant of Viviez. The results obtained indicate that tailing erosion/dust would induce low mobility for Zn, Cu, and to a lesser extent Pb. The high mobility of Cd in upstream soils indicates that it has been mostly emitted as reactive atmospheric particles during high temperature ore-treatment.

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