Abstract
The interaction of salicylic acid with zirconium diphosphate surface and its reactivity toward uranium (VI) was investigated. The interaction of salicylic acid with zirconium diphosphate was firstly studied using several analytical techniques including atomic force microscopy, scanning electron microscopy and X-ray photoelectron spectroscopy. The sorption of uranium (VI) onto surface-modified zirconium diphosphate was evaluated by the classical batch method at room temperature. This study showed that the uranium (VI) sorption onto zirconium diphosphate is influenced by the presence of salicylic acid. A fluorescence spectroscopy study revealed the presence of a uranyl specie onto the modified solid surface. The spectroscopy results were then used to restrain the modeling of experimental sorption data, which are interpreted in terms of a constant capacitance model using the FITEQL code. The results indicated that interaction between the uranium (VI) and the surface of zirconium diphosphate modified with salicylic acid leads to the formation of a ternary surface complex.
Acknowledgements
The authors thank the technical assistance of Mrs. Pavel López-Carbajal and Jorge E. Perez Del Prado.
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©2018 Walter de Gruyter GmbH, Berlin/Boston
Articles in the same Issue
- Frontmatter
- Redox behavior and solubility of plutonium under alkaline, reducing conditions
- Effects of temperature on the extraction of U(VI) and Pu(IV) by tris(2-methylbutyl) phosphate from nitric acid media
- Interaction of salicylic acid with zirconium diphosphate and its reactivity toward uranium (VI)
- Complexation of a macrocyclic ligand, 2,6-di (N-methyl)formamide-calix[4]pyridine, with Eu(III) and extraction of Eu(III) and Am(III)
- Feasibility studies of using N,N-dihexyloctanamide (DHOA) for fast reactor fuel reprocessing applications
- Encapsulated polymeric beads impregnating unexplored amide, N,N′-bis(2-ethyl hexyl) α-hydroxy acetamide (BEHGA) – preparation, sorption and kinetic studies for tri-, tetra- and hexavalent radionuclides
- Radioiodination of olmesartan medoxomil and biological evaluation of the product as a tracer for cardiac imaging
- Investigation of chemical composition and moisture content for different materials on the attenuation of γ rays
Articles in the same Issue
- Frontmatter
- Redox behavior and solubility of plutonium under alkaline, reducing conditions
- Effects of temperature on the extraction of U(VI) and Pu(IV) by tris(2-methylbutyl) phosphate from nitric acid media
- Interaction of salicylic acid with zirconium diphosphate and its reactivity toward uranium (VI)
- Complexation of a macrocyclic ligand, 2,6-di (N-methyl)formamide-calix[4]pyridine, with Eu(III) and extraction of Eu(III) and Am(III)
- Feasibility studies of using N,N-dihexyloctanamide (DHOA) for fast reactor fuel reprocessing applications
- Encapsulated polymeric beads impregnating unexplored amide, N,N′-bis(2-ethyl hexyl) α-hydroxy acetamide (BEHGA) – preparation, sorption and kinetic studies for tri-, tetra- and hexavalent radionuclides
- Radioiodination of olmesartan medoxomil and biological evaluation of the product as a tracer for cardiac imaging
- Investigation of chemical composition and moisture content for different materials on the attenuation of γ rays