Sorption of elements from mineral acid solutions by alkylated dibenzocrown ethers

Sorption of various elements by alkylated dibenzocrown ethers (CE) from HCl and HNO 3 solutions was studied. The distribution coefficients of elements depend on the size of the macrocyclic ring of CE and the type and concentration of the acid. Di- tert -butyldibenzo-24-crown-8 possesses optimal prop...

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Bibliographic Details
Published in:Russian chemical bulletin 2012-03, Vol.61 (3), p.656-658
Main Authors: Yakshin, V. V., Vilkova, O. M., Tsarenko, N. A., Tsivadze, A. Yu
Format: Article
Language:English
Subjects:
Chemistry
Chemistry and Materials Science
Chemistry/Food Science
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Inorganic Chemistry
Organic Chemistry
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Summary:Sorption of various elements by alkylated dibenzocrown ethers (CE) from HCl and HNO 3 solutions was studied. The distribution coefficients of elements depend on the size of the macrocyclic ring of CE and the type and concentration of the acid. Di- tert -butyldibenzo-24-crown-8 possesses optimal properties upon sorption of Au, Ga, Fe, Mo, Sb, Sn, and Re from 5 M HCl. In these cases, the elements are selectively sorbed from mixtures of complex composition, which can be used to develop methods of recovery and separation of elements.
ISSN:1066-5285
1573-9171
DOI:10.1007/s11172-012-0095-5