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Complexation reactions in aquatic systems : an analytical approach / J. Buffle, translators S.P. Kounaves, A. Kounaves and R.S. Altman
J. Buffle
- Vol. 1990, Iss: 1990, pp 1-99
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The article was published on 1990-01-01 and is currently open access. It has received 812 citations till now.read more
Citations
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WHAM—a chemical equilibrium model and computer code for waters, sediments, and soils incorporating a discrete site/electrostatic model of ion-binding by humic substances
TL;DR: The WHAM (Windermere Humic Aqueous Model) as mentioned in this paper is a simple inorganic speciation code for aqueous solutions that combines Humic Ion-Binding Model V with a simple, inorganic inorganic specciation code.
Journal ArticleDOI
Ion binding to natural organic matter : competition, heterogeneity, stoichiometry and thermodynamic consistency
David G. Kinniburgh,Willem H. van Riemsdijk,Luuk K. Koopal,Michal Borkovec,Marc F. Benedetti,Marcelo Javier Avena +5 more
TL;DR: The NICCA-Donnan model as mentioned in this paper is a semi-empirical model that is similar to the NICA-donnan model except that it introduces an additional degree of scaling that ensures thermodynamic consistency and allows for variable stoichiometry of binding, which implicitly accounts for the large degree of chemical heterogeneity of humic particles.
Journal ArticleDOI
A unifying model of cation binding by humic substances
TL;DR: Model V describes the binding of ions by humic substances in terms of complexation at discrete sites, modified by electrostatic attraction and/or repulsion, and also takes account of nonspecific binding due to counterion accumulation.
Journal ArticleDOI
A Generalized Description of Aquatic Colloidal Interactions: The Three-colloidal Component Approach
TL;DR: In this article, the physicochemical properties of the different groups of colloids are described, and the role of each colloid class is discussed with respect to homoaggregation (aggregation within a given colloid) and hetero-aggregation among different colloid types.
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The effect of humic acid adsorption on pH-dependent surface charging and aggregation of magnetite nanoparticles
Erzsébet Illés,Etelka Tombácz +1 more
TL;DR: The pH-dependent adsorption of humic acid (HA) on magnetite and its effect on the surface charging and the aggregation of oxide particles were investigated and nanoparticles are stabilized in a way of combined steric and electrostatic effects.
References
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Dissolved organic matter from treated effluent of a major wastewater treatment plant: Characterization and influence on copper toxicity
Benoît Pernet-Coudrier,Ludiwine Clouzot,Gilles Varrault,Marie-Hélène Tusseau-Vuillemin,Alain Verger,Jean-Marie Mouchel +5 more
TL;DR: A number of analytical techniques allow highlighting the weak aromaticity of wastewater effluent DOM (EfOM) due to fewer degradation and condensation processes and the strong presence of proteinaceous structures indicative of intense microbial activity.
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Role of fulvic acid on lead bioaccumulation by Chlorella kesslerii.
TL;DR: The interaction of lead with the freshwater alga Chlorella kesslerii was studied in the presence of the Suwannee River fulvic acid, and changes in the algal surface charge due to SRFA adsorption seemed to account for the observed increase in lead uptake.
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Voltammetric lability of metal complexes at spherical microelectrodes with various radii.
TL;DR: In this article, a geometrical analysis of the random walk of free metal ions produced by the dissociation of the complex is presented, and the lability criterion is shown to be in accordance with the geometrically derived reaction layer concept.
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Characterizing colloidal material in natural waters.
TL;DR: For small colloids, the techniques of voltammetry, dialysis, DET, and DGT can be used to obtain in situ information as mentioned in this paper, but for larger colloids it is more difficult to performmeasurements in situ and a combination of rapidfractionation procedures, including filtration, field-flow fractionation and SPLITT, may still be required.
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AGNES: a new electroanalytical technique for measuring free metal ion concentration
TL;DR: AGNES (absence of gradients and Nernstian equilibrium stripping) is a stripping technique consisting of two conceptual steps: (i) application of a potential program (e.g. a step at a fixed potential) generating a known concentration gain between the outer and inner concentrations of the metal at the mercury electrode surface together with null gradients of the concentration profiles (inside and outside the mercury electrodes) and (ii) determination of the reduced metal inside the amalgam in a stripping step as mentioned in this paper.