Search Results - "van Riemsdijk, Willem H"

Adsorption of Humic Substances on Goethite:  Comparison between Humic Acids and Fulvic Acids by Weng, Van Riemsdijk, Willem H, Koopal, Luuk K, Hiemstra, Tjisse

“…The adsorption of humic acids (HA) to goethite (at pH 3−11) and the proton co-adsorption (at pH 4.0, 5.5, and 7.0) were measured, and the results were compared…”
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On the relationship between charge distribution, surface hydration, and the structure of the interface of metal hydroxides by Hiemstra, Tjisse, Van Riemsdijk, Willem H.

“…The double layer structure of metal (hydr)oxides is discussed. Charge separation may exist between the minimum distance of approach of electrolyte ions and the…”
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Effects of Fulvic and Humic Acids on Arsenate Adsorption to Goethite: Experiments and Modeling by Weng, Liping, Van Riemsdijk, Willem H, Hiemstra, Tjisse

“…Data for interactions between arsenate (AsO4 3−) and fulvic acids (FA) or humic acids (HA) at the surface of goethite are presented (pH 3−7, ionic strength 2…”
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Nanoparticles in natural systems I: The effective reactive surface area of the natural oxide fraction in field samples by Hiemstra, Tjisse, Antelo, Juan, Rahnemaie, Rasoul, Riemsdijk, Willem H. van

“…Information on the particle size and reactive surface area of natural samples is essential for the application of surface complexation models (SCM) to predict…”
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Geometry, Charge Distribution, and Surface Speciation of Phosphate on Goethite by Rahnemaie, Rasoul, Hiemstra, Tjisse, van Riemsdijk, Willem H

“…The surface speciation of phosphate has been evaluated with surface complexation modeling using an interfacial charge distribution (CD) approach based on ion…”
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Predicting soil N mineralization: Relevance of organic matter fractions and soil properties by Ros, Gerard H., Hanegraaf, Marjoleine C., Hoffland, Ellis, van Riemsdijk, Willem H.

“…Distinct extractable organic matter (EOM) fractions have been used to assess the capacity of soils to supply nitrogen (N). However, substantial uncertainty…”
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Surface speciation of As(III) and As(V) in relation to charge distribution by Stachowicz, Monika, Hiemstra, Tjisse, van Riemsdijk, Willem H.

“…The adsorption of As(III) and As(V) on goethite has been studied as a function of pH and loading. The data can be successfully described with the charge…”
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A surface structural model for ferrihydrite II: Adsorption of uranyl and carbonate by Hiemstra, Tjisse, Riemsdijk, Willem H. Van, Rossberg, André, Ulrich, Kai-Uwe

“…The adsorption of uranyl (UO 2 2+) on ferrihydrite has been evaluated with the charge distribution (CD) model for systems covering a very large range of…”
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Inner- and outer-sphere complexation of ions at the goethite–solution interface by Rahnemaie, Rasoul, Hiemstra, Tjisse, van Riemsdijk, Willem H.

“…Formation of inner- and outer-sphere complexes of environmentally important divalent ions on the goethite surface was examined by applying the charge…”
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Characterization of Colloidal Phosphorus Species in Drainage Waters from a Clay Soil Using Asymmetric Flow Field‐Flow Fractionation by Regelink, Inge C., Koopmans, Gerwin F., Salm, Caroline, Weng, Liping, Riemsdijk, Willem H.

“…Phosphorus transport from agricultural land contributes to eutrophication of surface waters. Pipe drain and trench waters from a grassland field on a heavy…”
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Arsenic−Bicarbonate Interaction on Goethite Particles by Stachowicz, Monika, Hiemstra, Tjisse, van Riemsdijk, Willem H

“…The As(V) and As(III) interaction with HCO3 has been studied for goethite systems using a pH and As concentration range that is relevant for field situations…”
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Determination of free Zn2+ concentration in synthetic and natural samples with AGNES (Absence of Gradients and Nernstian Equilibrium Stripping) and DMT (Donnan Membrane Technique) by Chito, Diana, Weng, Liping, Galceran, Josep, Companys, Encarnació, Puy, Jaume, van Riemsdijk, Willem H., van Leeuwen, Herman P.

“…The determination of free Zn2+ ion concentration is a key in the study of environmental systems like river water and soils, due to its impact on…”
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Speciation of Se and DOC in Soil Solution and Their Relation to Se Bioavailability by Weng, Liping, Vega, Flora Alonso, Supriatin, Supriatin, Bussink, Wim, Riemsdijk, Willem H. Van

“…A 0.01 M CaCl2 extraction is often used to asses the bioavailability of plant nutrients in soils. However, almost no correlation was found between selenium…”
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A new surface structural approach to ion adsorption: Tracing the location of electrolyte ions by Rahnemaie, Rasoul, Hiemstra, Tjisse, van Riemsdijk, Willem H.

“…Electrolyte ions differ in size leading to the possibility that the distance of closest approach to a charged surface differs for different ions. So far, ions…”
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Contribution of Individual Sorbents to the Control of Heavy Metal Activity in Sandy Soil by Weng, Liping, Temminghoff, Erwin J. M, Van Riemsdijk, Willem H

“…A multisurface model is used to evaluate the contribution of various sorption surfaces to the control of heavy metal activity in sandy soil samples at pH…”
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Diffusion of Neutral and Ionic Species in Charged Membranes: Boric Acid, Arsenite, and Water by Goli, Esmaiel, Hiemstra, Tjisse, Van Riemsdijk, Willem H, Rahnemaie, Rasoul, Malakouti, Mohammad Jafar

“…Dynamic ion speciation using DMT (Donnan membrane technique) requires insight into the physicochemical characteristics of diffusion in charged membranes…”
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Adsorption of Humic Acid on Goethite:  Isotherms, Charge Adjustments, and Potential Profiles by Saito, Takumi, Koopal, Luuk K, van Riemsdijk, Willem H, Nagasaki, Shinya, Tanaka, Satoru

“…The adsorption of natural organic matter (NOM) on mineral (hydr)oxide plays an important role in the evaluation of the speciation of toxic metal ions in the…”
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Ion binding to natural organic matter: competition, heterogeneity, stoichiometry and thermodynamic consistency by Kinniburgh, David G, van Riemsdijk, Willem H, Koopal, Luuk K, Borkovec, Michal, Benedetti, Marc F, Avena, Marcelo J

“…The general principles of cation binding to humic materials are discussed. Important aspects that need to be included in general purpose speciation models are:…”
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Surface complexation of carbonate on goethite: IR spectroscopy, structure and charge distribution by Hiemstra, Tjisse, Rahnemaie, Rasoul, van Riemsdijk, Willem H.

“…The adsorption of carbonate on goethite has been evaluated, focussing on the relation between the structure of the surface complex and corresponding adsorption…”
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Interaction between Calcium and Phosphate Adsorption on Goethite by Rietra, René P. J. J, Hiemstra, Tjisse, van Riemsdijk, Willem H

“…Quantitatively, little is known about the ion interaction processes that are responsible for the binding of phosphate in soil, water, and sediment, which…”
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