Partition of Cd, Cu, Pb and Zn among mineral particles during their sorption in soils
作者： Péter Sipos , Adrienn Tóth , Viktória Kovács Kis , Réka Balázs , Ivett Kovács
DOI: 10.1007/S11368-018-2184-Z
关键词:
摘要: Heterogeneity of soil mineral particles may lead to the misinterpretation bulk sorption data on their role in metal sorption, which be resolved through direct observation distribution among after sorption. Analytical transmission electron microscopy was used study (Cd, Cu, Pb, Zn) characteristics clay minerals, Fe-oxyhydroxides and natural assemblages soils with contrasting pH under single element competitive situations. Iron-oxyhydroxides sorbed higher amounts than mostly, capacity latter phases were more affected by competition. Iron-oxyhydroxide acted as effective sorbents not only individual but also coatings other particles, structural Fe minerals resulted some cases. Besides onto precipitates could identified directly, organic surfaces inferred indirectly certain Comparison affinity sequences partition between different found an tool specify most active components at given condition.
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