New complex silver-scandium vanadates

New complex silver-scandium vanadates, Ag 3 Sc(VO 4 ) 2 , AgBaSc(VO 4 ) 2 , and Ag 3 Sc 2 (VO 4 ) 3 , were synthesized, and their crystallographic parameters were determined. The products synthesized by different methods were studied by X-ray powder diffraction, electron-probe X-ray microanalysis, a...

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Bibliographic Details
Published in:Russian chemical bulletin 2012-10, Vol.61 (10), p.1877-1881
Main Authors: Solov’ev, O. I., Rusakov, D. A., Filaretov, A. A., Komissarova, L. N.
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:New complex silver-scandium vanadates, Ag 3 Sc(VO 4 ) 2 , AgBaSc(VO 4 ) 2 , and Ag 3 Sc 2 (VO 4 ) 3 , were synthesized, and their crystallographic parameters were determined. The products synthesized by different methods were studied by X-ray powder diffraction, electron-probe X-ray microanalysis, and ESR. Based on these data, the synthetic procedures were optimized. The thermal properties of complex vanadates were studied by DTA. The compounds AgBaSc(VO 4 ) 2 and Ag 3 Sc 2 (VO 4 ) 3 were shown to exhibit polymorphism. The compounds Ag 3 Sc(VO 4 ) 2 , AgBaSc(VO 4 ) 2 , and Ag 3 Sc 2 (VO 4 ) 3 decompose at 760, 780, and 960 °C. respectively.
ISSN:1066-5285
1573-9171
DOI:10.1007/s11172-012-0261-9