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200th Anniversary Meeting of the Russian Mineralogical Society
Saint Petersburg, Russia
10-13 October 2017
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Conferences & Meetings 200th Anniversary Meeting of the Russian Mineralogical Society
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Minerals of the ivanyukite group: crystallochemistry and perspectives of use

RMS-DPI code:  2017-1-58-0
Scientific session:  2. Mineralogical crystallography and crystal chemistry.
Author listing:  Panikorovsky T., Yanicheva N.Y., Yakovenchuk V.N., Pakhomovsky Ya.A., Ivanjuk G.Y., Krivovichev S.V.
Principal author:  Yakovenchuk Viktor N.
Language:  Russian
Abstract - Summary 
(short description):
Crystal structures of ivanyukite-Na-C, ivanyukite-K, Th-analogue of ivanyukite-K and Cs-substituted ivanyukite-K have been solved. Removing of sodium cations from initial ivanyukite-Na-T is accompanied by moving of K cations to the channel axes and the framework transformation into the cubic symmetry. Cations of Th and Cs also occupy the channel axis without the framework distortion. Results obtained have confirmed a cation-exchange mechanism of Cs and Th sorption on the ivanyukite-group minerals and perspectives of using the synthetic analogue of ivanyukite for the radioactive waste treatment.

Ivanyukite-Na, ivanyukite-K, ivanyukite-Th, ivanyukite-Cs, crystal structure, cation exchange, radioactive waste treatment
 
Date of presentation:  11/10/2017
Presentation Place:  Горный университет, Малый Актовый зал
 
RMS-DPI code:  2017-1-58-0
Pages:  98-100
File of proceedings 
(PDF): 
 347 K
Status:  printed
Accepted:  15/09/2017
Published on-line:  06/12/2017
Permanent address of publication:  http://www.minsoc.ru/2017-1-58-0/
Contact author(s):  Yakovenchuk, Viktor N.
 

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