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  • The very high affinity of humic substances is well known. In this study, the interaction of Cu2+ ions with humic solid (HS), sols and gels is studied. In all of these cases, the complexation between metal ions and phenolic or carboxylic groups takes place. According to results of quantum chemistry, these functional groups are the most convenient for binding with transition metals.1 In general, HS are partially soluble in aqueous solutions. In natural systems, reactions of HS with metal ions are proceedding in liquid phase or on liquid/solid interface. In case of solid HS, Langmuir model is frequently used for description of sorption equilibrium. Although experimental data obtained for sorption of Cu2+ ions on solid HS can be fitted relatively precisely by this model, its utilization is connected with some inaccuracies. Above all, the forming of Cu-HS complexes causes the liberation of H+ ions (from phenolic or carboxylic groups), which is not taken into account (consideration?). In addition, Langmuir
  • The very high affinity of humic substances is well known. In this study, the interaction of Cu2+ ions with humic solid (HS), sols and gels is studied. In all of these cases, the complexation between metal ions and phenolic or carboxylic groups takes place. According to results of quantum chemistry, these functional groups are the most convenient for binding with transition metals.1 In general, HS are partially soluble in aqueous solutions. In natural systems, reactions of HS with metal ions are proceedding in liquid phase or on liquid/solid interface. In case of solid HS, Langmuir model is frequently used for description of sorption equilibrium. Although experimental data obtained for sorption of Cu2+ ions on solid HS can be fitted relatively precisely by this model, its utilization is connected with some inaccuracies. Above all, the forming of Cu-HS complexes causes the liberation of H+ ions (from phenolic or carboxylic groups), which is not taken into account (consideration?). In addition, Langmuir (en)
  • Je studována kinetika interakcí měďnatých iontů s huminovými kyselinami ve třech různých disperzních formách: jako suspenze, sol a gel. (cs)
Title
  • Fyzikální a chemická kinetika v huminových disperzích (cs)
  • Physical and Chemical Kinetics in Humic Dispersions
  • Physical and Chemical Kinetics in Humic Dispersions (en)
skos:prefLabel
  • Fyzikální a chemická kinetika v huminových disperzích (cs)
  • Physical and Chemical Kinetics in Humic Dispersions
  • Physical and Chemical Kinetics in Humic Dispersions (en)
skos:notation
  • RIV/00216305:26310/04:PU41128!RIV/2005/GA0/263105/N
http://linked.open.../vavai/riv/strany
  • 49-49
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(GP104/02/D036)
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 579487
http://linked.open...ai/riv/idVysledku
  • RIV/00216305:26310/04:PU41128
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • humic acids, colloids, kinetics, adsorption, complexation, diffusion (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...ontrolniKodProRIV
  • [C24490A98D47]
http://linked.open...v/mistoKonaniAkce
  • Boston
http://linked.open...i/riv/mistoVydani
  • Boston
http://linked.open...i/riv/nazevZdroje
  • Humic Substances Seminar VII
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...iv/tvurceVysledku
  • Klučáková, Martina
  • Pekař, Miloslav
http://linked.open...vavai/riv/typAkce
http://linked.open.../riv/zahajeniAkce
number of pages
http://purl.org/ne...btex#hasPublisher
  • Northeastern University
http://localhost/t...ganizacniJednotka
  • 26310
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