| Contents |
Keynote address - what a performance assessor would like to learn about natural organics / P. Zuidema--Effect of natural materials on cadmium and neptunium sorption / K.S. Kung, I. Triay--Evaluation of the potential influence of organic complexation on the performance of a geological repository in clay / G. Volckaert, P. De Canniere, J. Wibin, J. Marivoet--Natural organic substances in granitic groundwater and their implications for nuclear waste disposal / F. Karlsson, B. Allard, W. Hummel, F.P. Sargent, T. Vieno, S. Voinis, T. Merceron, H. Yoshikawa--Isolation and characterization of humics / P. Vilks--Characterization of redox properties of humic materials / G. Choppin--Aquatic colloids composed of humic substances / P. Zeh, J.I. Kim, G. Buckau--Transformation processes influencing physico-chemical forms of radionuclides and trace elements in natural water systems / B. Salbu, G. Riise, D.H. Oughton--CHEMVAL 2 - modelling metal humic and fulvic acid interactions / P. Warwick, A. Hall, D. Read--Complexation of metal ions with humic acid: charge neutralization model / J.I. Kim, K.R. Czerwinski--Polyfunctional description of metal complexation by natural organic matter: theory and practice / J. Buffle, M. Filella, R.S. Altmann--Humic ion-binding model V / E. Tipping--Modelling metal-humate interactions: an approach based on the Gibbs-Donnan concept / J.H. Ephraim--Ternary complex formation at mineral/solution interfaces / J.O. Leckie--Competition of other complexes: theoretical aspects / W. Hummel--Interactions of natural organic substances with radionuclides: competition of other complexes--experimental results / V. Moulin, C. Moulin, G. Choppin, N. Labonne--The formation of mixed complexes between metals, humic acids and small organic and inorganic ligands / A. Maes, A.F.M. Dierckx, J. Vancluysen--Binding of radionuclides by humic substances: the "conservative roof" approach / W. Hummel, M. Glaus, L.R. Van Loon--On the importance of organic materials in environmental systems in relation with nuclear waste disposals / V. Moulin, C. Moulin--Labelled humics for studies of environmental fate of pollutants / L. Carlsen, P. Lassen, P. Warwick, A. Randall--Nuclear waste disposal research and studies on natural groundwater colloids in Finland / U. Vuorinen--Natural colloids in El Berrocal Site (Spain): the effect of lonic strength in their stability properties / M.J. Turrero, P. Gómez, P. Rivas--Effects of humic substances on the migration of radionuclides: complexation of actinides with humic substances. A commission of the European communities program / K.R. Czerwinski, J.I. Kim--Equilibrium dialysis-ligand exchange: adaptation of the method for determination of conditional stability constants of radionuclide-fulvic acid complexes / M.A. Glaus, W. Hummel, L.R. Van Loon--Metal-humate and-fulvate complexes of NPO₂+, Ca²⁺, Co²⁺, Ni²⁺, UO₂2+, and Eu³⁺: determination of the conditional stability constants and modelling of their pH dependence / L.R. Van Loon, M.A. Glaus, W. Hummel. |
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