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No simple universal test exists to predict accurately the mobility and availability of trace metals in soil. The principals behind existing tests are briefly discussed. One of the reasons for their limited success is that soil tests do not take into account the temporal and spatial variations in soil composition and hence metal speciation. In this study a simple variation on a classical technique...
The aim of this paper was i) to determine the Ni-bearing minerals and localize Ni in natural and contaminated Ni-rich soils, ii) to characterize Ni availability with isotopic exchange kinetics (IEK) and iii) to study its interactions with soil mineralogy and characteristics along a gradient of weathering intensity. We sampled 16 soils varying from a recently exposed surface serpentinite in cold regions,...
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