The DOI matches its Crossref record; 18 of the 18 references it cites were found in a registry or an index.
Complexation with Dissolved Organic Matter and Solubility Control of Heavy Metals in a Sandy Soil
Open accessAbstract
The complexation of heavy metals with dissolved organic matter (DOM) in the environment influences the solubility and mobility of these metals. In this paper, we measured the complexation of Cu, Cd, Zn, Ni, and Pb with DOM in the soil solution at pH 3.7-6.1 using a Donnan membrane technique. The results show that the DOM-complexed species is generally more significant for Cu and Pb than for Cd, Zn, and Ni. The ability of two advanced models for ion binding to humic substances, e.g., model VI and NICA-Donnan, in the simulation of metal binding to natural DOM was assessed by comparing the model predictions with the measurements. Using the default parameters of fulvic and humic acid, the predicted concentrations of free metal ions from the solution speciation calculation using the two models are mostly within 1 order of magnitude difference from the measured concentrations, except for Ni and Pb in a few samples. Furthermore, the solid-solution partitioning of the metals was simulated using a multisurface model, in which metal binding to soil organic matter, dissolved organic matter, clay, and iron hydroxides was accounted for using adsorption and cation exchange models (NICA-Donnan, Donnan, DDL, CD-MUSIC). The model estimation of the dissolved concentration of the metals is mostly within 1 order of magnitude difference from those measured except for Ni in some samples and Pb. The solubility of the metals depends mainly on the metal loading over soil sorbents, pH, and the concentration of inorganic ligands and DOM in the soil solution.
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Cites
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Self-citationSolubility control of Cu, Zn, Cd and Pb in contaminated soils
McBRIDE, M., SAUVE, S., & HENDERSHOT, W. (1997) · European Journal of Soil Science · doi:10.1111/j.1365-2389.1997.tb00554.x · Cited by 697
Generic NICA-Donnan Model Parameters for Proton Binding by Humic Substances
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Self-citationSurface Structural Ion Adsorption Modeling of Competitive Binding of Oxyanions by Metal (Hydr)oxides
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Self-citationContribution of Individual Sorbents to the Control of Heavy Metal Activity in Sandy Soil
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Self-citationMetal ion binding by natural organic matter: From the model to the field
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Parkhurst, D. L., & Appelo, C. A. J. (2013) · Techniques and Methods · doi:10.3133/tm6a43 · Cited by 3,779
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Biochar-Facilitated Soil Remediation: Mechanisms and Efficacy Variations
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Role of soil constituents in fixation of soluble Zn, Cu, Ni and Cd added to soils
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Metadata
- Authors
- Weng, L., Temminghoff, E. J. M., Lofts, S., Tipping, E., & Van Riemsdijk, W. H.
- Venue
- Environmental Science & Technology
- Publisher
- American Chemical Society (ACS)
- Published
- 2002-10-12
- Volume
- 36
- Issue
- 22
- Pages
- 4804-4810
- ISSN
- 0013-936X (ISSN-L)
- 1520-5851
- OpenAlex
- W2036999563
- Cited by
- 599
- References
- 18
- FWCI
- 8.74
- Type
- journal article
- Language
- en
- Open access
- green
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