Open AccessJournal Article
Determination of trace elements bound to soils and sediment fractions
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An overview of methods for chemical speciation analysis of elements in samples of sediments and soils is presented in this article, where the sequential leaching procedure is thoroughly discussed, and examples of different applications are shown.Abstract:
This paper presents an overview of methods for chemical speciation analysis of elements in samples of sediments and soils. The sequential leaching procedure is thoroughly discussed, and examples of different applications are shown. Despite some drawbacks, the sequential extraction method can provide a valuable tool to distinguish among trace element fractions of different solubility related to mineralogical phases. The understanding of the speciation of trace elements in solid samples is still rather unsatisfactory because the appropriate techniques are only operationally defined. The essential importance of proper sampling protocols is highlighted, since the sampling error cannot be estimated and corrected by standards. The Community Bureau of Reference (BCR) protocols for sediment and soil give a good basis for most of the solid samples, and the results can be compared among different laboratories.read more
Citations
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Journal ArticleDOI
Mobility and bioavailability of heavy metals and metalloids in soil environments
TL;DR: In this paper, the impact of physical, chemical, and biological interfacial interactions on bioavailability and mobility of metals and metalloids in soil is highlighted, focusing on the sorption/desorption processes of metals on/from soil components and soils.
Journal ArticleDOI
Determination of trace elements bound to soil and sediment fractions (IUPAC Technical Report)
TL;DR: An overview of methods for chemical speciation analysis of elements in samples of sediments and soils is presented in this article, where the sequential leaching procedure is thoroughly discussed, and examples of different applications are shown.
Journal ArticleDOI
Characterizing the availability of metals in contaminated soils. I. The solid phase: sequential extraction and isotopic dilution
TL;DR: The two approaches most commonly applied to characterizing the chemical form and reaction of metals in the soil solid phase are sequential extraction procedures (SEPs) and isotopic dilution (ID) as mentioned in this paper.
Journal ArticleDOI
Potential release of selected trace elements (As, Cd, Cu, Mn, Pb and Zn) from sediments in Cam River-mouth (Vietnam) under influence of pH and oxidation.
Huu Hieu Ho,Rudy Swennen,Valérie Cappuyns,Valérie Cappuyns,Elvira Vassilieva,Tom Van Gerven,Tan Van Tran +6 more
TL;DR: All heavy metals and arsenic display a V-shaped pH-dependent leaching pattern with important releases at pHs 2 and 11, and the lower leachability of all elements at alkaline pHs 9-11 is due to lower leached concentration of organic matter from the oxidized sediment.
Journal ArticleDOI
Assessment of biotechnological strategies for the valorization of metal bearing wastes.
TL;DR: The achieved results have evidenced that metal solubilization seems to be strongly influenced by the metal speciation and partitioning in the solid matrix, and confirms the key role of Fe/S oxidizing bacteria and ferrous iron in the mobilization of metals from different solid wastes.
References
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Book
Chemical equilibria in soils
TL;DR: In this paper, Chemical equilibria in soils, chemical equilibrium in soil, Chemical equilibrium in soils, مرکز فناوری اطلاعات و اشعر رسانی, ک-شاouرزی
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The Chemistry of Soils
TL;DR: The Chemical Composition of Soils as mentioned in this paper is a well-known topic in the field of soil chemistry, and it has been used extensively in the literature to study the properties of soil.
Book
Kinetics of Soil Chemical Processes
TL;DR: The application of chemical kinetics to soil systems is discussed in this paper, where the authors present a model of Inorganic and Organic Reactions in Soils, as well as the mechanisms of Rapid Reactions on Soil Constituents using Relaxation Methods.
Seasonal changes of organic matter, pH, nitrogen, and some metals in forest topsoils in Austria: a case study of two soils with and without a litter layer.
Walter W. Wenzel,A. Brandstetter,M. A. Pollak,Axel Mentler,Winfried E. H. Blum,P. M. Huang,J. Berthelin,J. M. Bollag,W. B. McGill,A. L. Page +9 more