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REVISTA DE CHIMIE
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https://doi.org/10.37358/Rev.Chim.1949

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Revista de Chimie (Rev. Chim.), Year 2017, Volume 68, Issue 9, 2039-2042

https://doi.org/10.37358/RC.17.9.5817

Vasile Georgescu, Gabriel Vasilievici, Mihaela Bombos, Casen Panaitescu

Study of Co-Cr Mixed Oxides for Different Applications

Abstract:

Mixture metal oxide system Co-Cr were prepared by decomposition of the precursor complexes obtained from a mixture Co-Cr nitrates with tartaric acid. The samples were subsequently submitted to chemical analysis, magnetic measurements, IR spectrometry, UV-Vis, thermal analysis, XRD, EXAFS and TPR. At 600oC was identificated a solid solution of CoCr2O4 with Co3O4. With Cu-CrK-edge EXAFS the local structure of samples calcinated of 420oC and 600oC was obtained. By theirs analysis was calculated: the lengths of M-O bounds, number of coordination (N), Debye-Waller factor (A1) and x metallic cations fraction in tetrahedral structures (spinelic centers). The TPR measurements were emphasized the existence of two reduction cycles.
Keywords:
mixed oxides; spinelic compounds; thermoprogrammed reduction

Issue: 2017, Volume 68, Issue 9
Pages: 2039-2042
Publication date: 2017/10/15
https://doi.org/10.37358/RC.17.9.5817
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Creative Commons License
This article is published under the Creative Commons Attribution 4.0 International License
Citation Styles
Cite this article as:
GEORGESCU, V., VASILIEVICI, G., BOMBOS, M., PANAITESCU, C., Study of Co-Cr Mixed Oxides for Different Applications, Rev. Chim., 68(9), 2017, 2039-2042.

Vancouver
Georgescu V, Vasilievici G, Bombos M, Panaitescu C. Study of Co-Cr Mixed Oxides for Different Applications. Rev. Chim.[internet]. 2017 Sep;68(9):2039-2042. Available from: https://doi.org/10.37358/RC.17.9.5817


APA 6th edition
Georgescu, V., Vasilievici, G., Bombos, M. & Panaitescu, C. (2017). Study of Co-Cr Mixed Oxides for Different Applications. Revista de Chimie, 68(9), 2039-2042. https://doi.org/10.37358/RC.17.9.5817


Harvard
Georgescu, V., Vasilievici, G., Bombos, M., Panaitescu, C. (2017). 'Study of Co-Cr Mixed Oxides for Different Applications', Revista de Chimie, 68(9), pp. 2039-2042. https://doi.org/10.37358/RC.17.9.5817


IEEE
V. Georgescu, G. Vasilievici, M. Bombos, C. Panaitescu, "Study of Co-Cr Mixed Oxides for Different Applications". Revista de Chimie, vol. 68, no. 9, pp. 2039-2042, 2017. [online]. https://doi.org/10.37358/RC.17.9.5817


Text
Vasile Georgescu, Gabriel Vasilievici, Mihaela Bombos, Casen Panaitescu,
Study of Co-Cr Mixed Oxides for Different Applications,
Revista de Chimie,
Volume 68, Issue 9,
2017,
Pages 2039-2042,
ISSN 2668-8212,
https://doi.org/10.37358/RC.17.9.5817.
(https://revistadechimie.ro/Articles.asp?ID=5817)
Keywords: mixed oxides; spinelic compounds; thermoprogrammed reduction


RIS
TY - JOUR
T1 - Study of Co-Cr Mixed Oxides for Different Applications
A1 - Georgescu, Vasile
A2 - Vasilievici, Gabriel
A3 - Bombos, Mihaela
A4 - Panaitescu, Casen
JF - Revista de Chimie
JO - Rev. Chim.
PB - Revista de Chimie SRL
SN - 2668-8212
Y1 - 2017
VL - 68
IS - 9
SP - 2039
EP - 2042
UR - https://doi.org/10.37358/RC.17.9.5817
KW - mixed oxides
KW - spinelic compounds
KW - thermoprogrammed reduction
ER -


BibTex
@article{RevCh2017P2039,
author = {Georgescu Vasile and Vasilievici Gabriel and Bombos Mihaela and Panaitescu Casen},
title = {Study of Co-Cr Mixed Oxides for Different Applications},
journal = {Revista de Chimie},
volume = {68},
number = {9},
pages = {2039-2042},
year = {2017},
issn = {2668-8212},
doi = {https://doi.org/10.37358/RC.17.9.5817},
url = {https://revistadechimie.ro/Articles.asp?ID=5817}
}
 
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