Adsorption ability of samples with nanoscale anatase to extract Nb(V) and Ta(V) ions from aqueous media

Autor:	Polina A. Demina, A. M. Zybinskii, Galina M. Kuz’micheva, N. A. Prokudina, Elena V. Savinkina, L. N. Obolenskaya
Rok vydání:	2014
Předmět:	Anatase Analyte Aqueous solution Chemistry Inorganic chemistry Sorption General Chemistry Condensed Matter Physics Ion chemistry.chemical_compound Adsorption Titanium dioxide General Materials Science Sulfate
Zdroj:	Crystallography Reports. 59:430-436
ISSN:	1562-689X 1063-7745
DOI:	10.1134/s1063774514030079
Popis:	The adsorption ability of titanium dioxide samples with nanoscale anatase prepared by the sulfate method and Degussa (Evonik) P25, Hombfine N, and Hombikate UV-100 commercial agents with different compositions and characteristics to extract Nb(V) and Ta(V) ions from a model aqueous system has been investigated for the first time. It is established that the degree of sorption R (%) depends on the sorption conditions and the nature of analyte. It is demonstrated that the degree of sorption of Nb(V) ions in the presence of all samples is the highest (Rmax = 99.9%) for Degussa P25, except for the peroxide-modified samples on which the maximum sorption of Ta(V) ions with Rmax = 99.9% has been attained.
Databáze:	OpenAIRE
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