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Interaction between Fe-cyanide complex and humic acids |
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| Authors: | Iztok Arčon Arnold Pastrello Laura Catalano Maria De Nobili Pierpaolo Cantone Liviana Leita |
| Affiliation: | (1) A.R.C. Agricultural Research Council – Istituto Sperimentale per la Nutrizione delle Piante, Via Trieste 23, 34170 Gorizia, Italy;(2) Nova Gorica Polytechnic, Vipavska 13, 5000 Nova Gorica, Slovenia;(3) Jožef Stefan Institute, jamova 39, 1000 Ljubljana, Slovenia;(4) Dipartimento di Scienze Agrarie e Ambientali, University of Udine, Via delle Scienze 208, 33100 Udine, Italy |
| Abstract: | The fate of cyanides in soil is strongly influenced by the formation of Fe cyanides, which can interact with organic and inorganic colloids and precipitate as stable compounds. Scarce information is available on the capacity of humic acids to interact with cyano-complexes and thus affect the leaching and prevent the risk of contamination of watertable. Here we show that interaction between humic acids (HAs) and ferricyanide complex led to a formation of ferricyanide-humo micelles, and that the interaction did not imply changes in the original structure of ferricyanide complex. |
| Keywords: | Ferricyanide Humic acids Interaction Voltammetry UV-Vis EXAFS |
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