Abstract
Spectral properties of water-dispersible sorbent produced from humic acids (HA) extracted from brown coal and magneto-active nanoparticles were measured for the samples of different magnetite/HA ratio and the way of their preparation. The influence of iron (III) ions on spectral properties of HA in aqueous solution was investigated using Stern-Volmer plots describing HA fluorescence quenching. The Stern-Volmer dependences were found to be linear at concentration of iron (III) ions smaller 20 μmol/L and nonlinear at higher concentrations.
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References
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Financial support of Russian Foundation for Basic Research (project 11-05-01160a) and the Ministry of Education and Sciences of RF (GK 14.740.11.0415) are deeply appreciated.
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© 2013 Zhejiang University Press and Springer Science+Business Media Dordrecht
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Burikov, S.A. et al. (2013). Fluorescence and Raman Spectroscopy Study of Humic Acids in Iron Chloride Solutions and Magnetite/HA Nanoparticles. In: Xu, J., Wu, J., He, Y. (eds) Functions of Natural Organic Matter in Changing Environment. Springer, Dordrecht. https://doi.org/10.1007/978-94-007-5634-2_145
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DOI: https://doi.org/10.1007/978-94-007-5634-2_145
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