Russian Journal of Coordination Chemistry/Koordinatsionnaya Khimiya

, volume 32 , issue 2 , pages 77-81

Molecular design of macrocyclic extractants for extraction and separation of alkali and alkaline-earth metals

V. V. Yakshin ¹

O N Vilkova ¹

N A Tsarenko ¹

S V Demin ²

V I Zhilov ²

A. Yu. Tsivadze ²

Hide authors affiliations Show authors affiliations: 2 affiliations

Institute of Physical CHemistry, Russian Academy of Sciences, Moscow, Russia |

Kurnakov institute of General and Inorganic Chemistry, Russian Academy of Sciences, Moscow, Russia |

Publication type: Journal Article

Publication date: 2006-02-01

Pleiades Publishing

Russian Journal of Coordination Chemistry/Koordinatsionnaya Khimiya

scimago Q4

wos Q4

SJR: 0.189

CiteScore: 1.7

Impact factor: 1.1

ISSN: 10703284, 16083318

DOI: 10.1134/S1070328406020011

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General Chemistry

General Chemical Engineering

Abstract

The distribution coefficients of the alkaline and alkali-earth metal nitrates are determined for the processes of extraction from nitric acid solutions with crown ethers, which differ in sizes of their cycles (from 18 to 22 atoms) and in side phenyl and cyclohexyl substituents, but have unchanged number of the O atoms in a cycle. The phenyl and cyclohexyl derivatives of 18-crown-6 are found to be more efficient extractants of alkali metals as compared with unsubstituted crown ethers. However, the selectivity of separation of a pair Cs-Na remains low. The 18-crown-6 derivatives with one and two cyclohexyl fragments selectively extract Sr, which can be used to separate it from the remaining alkali and alkaline-earth metals. An increase in the size of a macrocycle from 18 to 20 and 22 atoms leads to a reduction in the extraction efficiency for all alkali and alkaline-earth metals, insignificantly improves separation of a pair Cs-Na, but noticeably deteriorates Sr-Na separation.

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Yakshin V. V. et al. Molecular design of macrocyclic extractants for extraction and separation of alkali and alkaline-earth metals // Russian Journal of Coordination Chemistry/Koordinatsionnaya Khimiya. 2006. Vol. 32. No. 2. pp. 77-81.

GOST all authors (up to 50) Copy

Yakshin V. V., Vilkova O. N., Tsarenko N. A., Demin S. V., Zhilov V. I., Tsivadze A. Y. Molecular design of macrocyclic extractants for extraction and separation of alkali and alkaline-earth metals // Russian Journal of Coordination Chemistry/Koordinatsionnaya Khimiya. 2006. Vol. 32. No. 2. pp. 77-81.

RIS |

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RIS Copy

TY - JOUR

DO - 10.1134/S1070328406020011

UR - http://link.springer.com/10.1134/S1070328406020011

TI - Molecular design of macrocyclic extractants for extraction and separation of alkali and alkaline-earth metals

T2 - Russian Journal of Coordination Chemistry/Koordinatsionnaya Khimiya

AU - Yakshin, V. V.

AU - Vilkova, O N

AU - Tsarenko, N A

AU - Demin, S V

AU - Zhilov, V I

AU - Tsivadze, A. Yu.

PY - 2006

DA - 2006/02/01

PB - Pleiades Publishing

SP - 77-81

IS - 2

VL - 32

SN - 1070-3284

SN - 1608-3318

ER -

BibTex |

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@article{2006_Yakshin,

author = {V. V. Yakshin and O N Vilkova and N A Tsarenko and S V Demin and V I Zhilov and A. Yu. Tsivadze},

title = {Molecular design of macrocyclic extractants for extraction and separation of alkali and alkaline-earth metals},

journal = {Russian Journal of Coordination Chemistry/Koordinatsionnaya Khimiya},

year = {2006},

volume = {32},

publisher = {Pleiades Publishing},

month = {feb},

url = {http://link.springer.com/10.1134/S1070328406020011},

number = {2},

pages = {77--81},

doi = {10.1134/S1070328406020011}

}

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Yakshin, V. V., et al. “Molecular design of macrocyclic extractants for extraction and separation of alkali and alkaline-earth metals.” Russian Journal of Coordination Chemistry/Koordinatsionnaya Khimiya, vol. 32, no. 2, Feb. 2006, pp. 77-81. http://link.springer.com/10.1134/S1070328406020011.