Application of the NICA-Donnan model for proton, copper and uranyl binding to humic acid

Verfasser / Beitragende:
[Takumi Saito, S. Nagasaki, S. Tanaka, L. K. Koopal]
Ort, Verlag, Jahr:
2004
Enthalten in:
Radiochimica Acta/International journal for chemical aspects of nuclear science and technology, 92/9-11/2004(2004-11-01), 567-574
Format:
Artikel (online)
ID: 37892740X
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245 0 0 |a Application of the NICA-Donnan model for proton, copper and uranyl binding to humic acid  |h [Elektronische Daten]  |c [Takumi Saito, S. Nagasaki, S. Tanaka, L. K. Koopal] 
520 3 |a Humic acids are natural organic materials that play an important role in the migration of heavy metal and actinide ions in aquatic and soil systems. In the present study, the binding of protons, copper ions and uranyl ions to the purified Aldrich humic acid (PAHA) is investigated and the results are modeled with the Non-Ideal Competitive Adsorption (NICA) model extended with electrostatic interactions according to the Donnan model (NICA-Donnan model). The NICA part of the model enables one to describe the competitive ion binding to a heterogeneous substrate taking into account a different stoichiometry per ion. The NICA-Donnan model can describe the binding of the ions to PAHA in large concentration ranges (3
540 |a © 2004 Oldenbourg Wissenschaftsverlag GmbH 
690 7 |a Laboratory techniques, experiments  |2 nationallicence 
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