Search Results - "Kinniburgh, D.G."

Arsenic associations in sediments from the loess aquifer of La Pampa, Argentina by Smedley, P.L., Kinniburgh, D.G., Macdonald, D.M.J., Nicolli, H.B., Barros, A.J., Tullio, J.O., Pearce, J.M., Alonso, M.S.

“…Groundwater from the Quaternary loess aquifer of La Pampa, central Argentina, has significant problems with high concentrations of As (up to 5300 μg L −1) as…”
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Uranium in natural waters and the environment: Distribution, speciation and impact by Smedley, P.L., Kinniburgh, D.G.

“…The concentrations of U in natural waters are usually low, being typically less than 4 μg/L in river water, around 3.3 μg/L in open seawater, and usually less…”
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Analysis of proton binding by a peat humic acid using a simple electrostatic model by Milne, C.J., Kinniburgh, D.G., de Wit, J.C.M., van Riemsdijk, W.H., Koopal, L.K.

“…Detailed potentiometric titration data were collected for a purified peat humic acid (PPHA) over a range of pH (pH 3.5–10.5) and KNO3 background electrolyte…”
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General purpose adsorption isotherms by Kinniburgh, David G

“…The fitting of adsorption isotherm equations to experimental data is often an important aspect of data analysis. If the Langmuir and Freundlich isotherms are…”
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Analysis of Metal-Ion Binding by a Peat Humic Acid Using a Simple Electrostatic Model by Milne, Christopher J., Kinniburgh, David G., de Wit, Johannes C.M., van Riemsdijk, Willem H., Koopal, Luuk K.

“…Ion binding to humics can only be satisfactorily described if the chemical heterogeneity is explicitly included in the binding model. For proton binding, a…”
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A review of the source, behaviour and distribution of arsenic in natural waters by Smedley, P.L, Kinniburgh, D.G

“…The range of As concentrations found in natural waters is large, ranging from less than 0.5 μg l −1 to more than 5000 μg l −1. Typical concentrations in…”
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Generic NICA−Donnan Model Parameters for Metal-Ion Binding by Humic Substances by Milne, Christopher J, Kinniburgh, David G, van Riemsdijk, Willem H, Tipping, Edward

“…A total of 171 datasets of literature and experimental data for metal-ion binding by fulvic and humic acids have been digitized and re-analyzed using 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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Modeling the Interactions between Humics, Ions, and Mineral Surfaces by van Riemsdijk, Willem H, Koopal, Luuk K, Kinniburgh, David G, Benedetti, Marc F, Weng, Liping

“…Model VI and the NICA-Donnan model are two successful models presently available for describing metal ion binding by humic materials. Both models deal with the…”
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Adsorption of alkaline earth, transition, and heavy metal cations by hydrous oxide gels of iron and aluminum by Kinniburgh, D.G, Jackson, M.L, Syers, J.K

“…Freshly precipitated Fe and Al gels (points of zero change at pH 8.1 and 9.4, respectively) strongly specifically adsorb divalent cations from 1M NaNO3…”
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Metal Ion Binding by Humic Acid:  Application of the NICA-Donnan Model by Kinniburgh, David G, Milne, Christopher J, Benedetti, Marc F, Pinheiro, Jose P, Filius, Jeroen, Koopal, Luuk K, Van Riemsdijk, Willem H

“…A Donnan-type model for nonspecific binding of electrolyte ions has been combined with the non-ideal competitive adsorption (NICA) model for specific binding…”
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Humic matter and contaminants. General aspects and modeling metal ion binding by Koopal, Luuk K., van Riemsdijk, Willem H., Kinniburgh, David G.

“…Humic substances are soil and fresh-water components that play an important role in the binding and transport of both organic and inorganic contaminants…”
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A rapid method for determining apparent diffusion coefficients in Chalk and other consolidated porous media by Gooddy, Daren C., Kinniburgh, David G., Barker, John A.

“…The development of a method for the determination of the apparent diffusion coefficient, D A, for chloride in saturated Chalk cores is described. The method is…”
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Metal ion binding by natural organic matter: From the model to the field by Benedetti, Marl F., Van Riemsdijk, Willem H., Koopal, Luuk K., Kinniburgh, David G., Gooddy, Daren C., Milne, Chris J.

“…With the newly developed NICCA-Donnan model, we estimate the activity of toxic metal ions from simple measurements like total metal concentration and organic…”
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Design and construction of a personal-computer-based automatic titrator by Kinniburgh, D.G. (British Geological Survey, Wallingford, Oxon, England.), Milne, C.J, Venema, P

“…We designed and constructed an automatic titrator that uses a personal computer (PC) and commercially available components. The titrator can be used for a wide…”
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An Analytical Isotherm Equation (CONICA) for Nonideal Mono- and Bidentate Competitive Ion Adsorption to Heterogeneous Surfaces by van Riemsduk, Willem H., de Wit, Johannes C.M., Mous, Sipko L.J., Koopal, Luuk K., Kinniburgh, David G.

“…Analytical isotherm equations for the competitive binding of protons and other cations to heterogeneous surfaces have been derived. These extend our earlier…”
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Unsaturated zone pore water chemistry and the edge effect in a beech forest in southern england by Kinniburgh, D.G, Trafford, J.M

“…Twenty one pore water chemistry profiles were obtained for a range of inorganic solutes from the Chalk unsaturated zone in or adjacent to Black Wood, a 2.4 km…”
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Extraction and chemical analysis of interstitial water from soils and rocks by Kinniburgh, David G, Miles, Douglas L

“…Interstitial water was extracted from field-moist soils and chalk by immiscible displacement with a dense inert fluorocarbon. Yields of interstitial water…”
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Design and construction of a personal-computer-based automatic titrator by Kinniburgh, D.G, Milne, C.J, Venema, P

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Metal Ion Binding to Humic Substances: Application of the Non-Ideal Competitive Adsorption Model by Benedetti, Marc F, Milne, Chris J, Kinniburgh, David G, Van Riemsdijk, Willem H, Koopal, Luuk K

“…It is shown that the new non-ideal competitive adsorption model accounts for metal ion binding to humic substances over a wide range of pH and free metal ion…”
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