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  • Copper biogeochemistry is controlled by bonding to natural organic matter. The soluble forms of bonded copper can be more biologically active due to the higher migration in environmental systems and instability of some copper-humic complexes. In this work, the interactions of copper(II) ions with humic acids are studied by means of high-resolution ultrasound spectrometry. It was found that the stoichiometry of the formed complexes is strongly influenced by the organization of humic acid in solution and by the final pH value in equilibrium. Although the ratio between the added copper and humic acids in all used concentrations was constant and the initial pH value was neutral, we observed significant differences between the individual systems. The highest binding ability was determined for a humic content of 0.5 g/dm3.More diluted and more concentrated systems were able to bind lower amounts of copper. The implemented method is very sensitive and can be utilized not only for monitoring copper binding bu
  • Copper biogeochemistry is controlled by bonding to natural organic matter. The soluble forms of bonded copper can be more biologically active due to the higher migration in environmental systems and instability of some copper-humic complexes. In this work, the interactions of copper(II) ions with humic acids are studied by means of high-resolution ultrasound spectrometry. It was found that the stoichiometry of the formed complexes is strongly influenced by the organization of humic acid in solution and by the final pH value in equilibrium. Although the ratio between the added copper and humic acids in all used concentrations was constant and the initial pH value was neutral, we observed significant differences between the individual systems. The highest binding ability was determined for a humic content of 0.5 g/dm3.More diluted and more concentrated systems were able to bind lower amounts of copper. The implemented method is very sensitive and can be utilized not only for monitoring copper binding bu (en)
Title
  • Complexation of Copper(II) with Humic Acids Studied by Ultrasound Spectrometry
  • Complexation of Copper(II) with Humic Acids Studied by Ultrasound Spectrometry (en)
skos:prefLabel
  • Complexation of Copper(II) with Humic Acids Studied by Ultrasound Spectrometry
  • Complexation of Copper(II) with Humic Acids Studied by Ultrasound Spectrometry (en)
skos:notation
  • RIV/00216305:26310/12:PU98982!RIV13-GA0-26310___
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(GA104/08/0990)
http://linked.open...iv/cisloPeriodika
  • 5
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
  • 128196
http://linked.open...ai/riv/idVysledku
  • RIV/00216305:26310/12:PU98982
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • humic acids, complexation, konformace, molekulární organizace, copper, ultrasound spectrometry (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • US - Spojené státy americké
http://linked.open...ontrolniKodProRIV
  • [59E0C2A50B83]
http://linked.open...i/riv/nazevZdroje
  • Organic Chemistry International
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...v/svazekPeriodika
  • 2012
http://linked.open...iv/tvurceVysledku
  • Klučáková, Martina
issn
  • 2090-200X
number of pages
http://localhost/t...ganizacniJednotka
  • 26310
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