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  Amorphous nanostructured composites Al2O3:nC with enhanced sorption affinity to La(III), Ce(III), U(VI) ions in aqueous solution

Krasil'nikov, V., Baklanova, I., Polyakov, E., Volkov, I., Khlebnikov, A., Tyutyunnik, A., et al. (2022). Amorphous nanostructured composites Al2O3:nC with enhanced sorption affinity to La(III), Ce(III), U(VI) ions in aqueous solution. Inorganic Chemistry Communications, 138: 109313. doi:10.1016/j.inoche.2022.109313.

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Krasil'nikov, V.N., Author
Baklanova, I.V., Author
Polyakov, E.V., Author
Volkov, I.V., Author
Khlebnikov, A.N., Author
Tyutyunnik, A.P., Author
Tarakina, Nadezda V.1, Author              
Affiliations:
1Nadezda V. Tarakina, Kolloidchemie, Max Planck Institute of Colloids and Interfaces, Max Planck Society, ou_2522693              

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Free keywords: AlO:nC composites, Aluminum oxide, Carbon, Precursor method, Sorption properties
 Abstract: The nanostructured AlO3:nC composites with enhanced chemical activity and higher solubility of oxide in acids have been synthesized. For the synthesis, an organometallic precursor, produced by thermal treatment of a mixture of Al(NO3)3·9H2O with ethylene glycol, was heated in helium atmosphere at 700–1100 °C. X-ray powder diffraction, selected-area electron diffraction and transmission electron microscopy revealed the formation of a homogeneous amorphous mass with indistinguishable boundaries between the oxide and carbon components at 700–1000 °C, while annealing at 1100 °C provoked the crystallization of γ-AlO3 nanoparticles, forming a clear AlO3/carbon interface. This specific microstructure provides a high sorption affinity of the composite for La (III), Ce (III), U (VI) ions in aqueous solutions, which is significantly higher than that of microcrystalline aluminum oxides.

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Language(s): eng - English
 Dates: 2022-02-182022
 Publication Status: Published in print
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 Rev. Type: -
 Identifiers: DOI: 10.1016/j.inoche.2022.109313
BibTex Citekey: KRASILNIKOV2022109313
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Title: Inorganic Chemistry Communications
  Other : Inorg. Chem. Commun.
Source Genre: Journal
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Publ. Info: New York, NY : Elsevier
Pages: - Volume / Issue: 138 Sequence Number: 109313 Start / End Page: - Identifier: ISSN: 1387-7003