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Studies on the V−Ti−O system obtained by thermal decomposition of vanadyl and titanyl oxalates in argon atmosphere

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Abstract

The V−Ti−O system as a product of thermal decomposition of vanadyl and titanyl oxalates at 873 and 1173 K in argon atmosphere was studied by X-ray diffraction and infrared spectroscopy. The results obtained, the analysis and surface measurement data suggest that a V3+−V4+−Ti4+−O solid solution is formed. Spectroscopic measurements reveal the presence of a V=O bond in the system obtained at 873 K.

Abstract

Система V−Ti−O, Являющаяся продуктом термического разложения ванадльных и титанильных оксалатов при 873 К и 1173 К в атмосфере аргона исследована с помощяы рентьенодиффракционного и ИК-спектроскопического методов. На основе полученных результатов, а также данных поверхностных измерений полагается, что при составе V+3−V+4−O ов⌕азуется твердый раствор. Из спектроскопических измерений полагается наличие связн V=O в системе, полученной при 873 К.

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  1. Institute of Chemistry, A. Mickiewicz University, Poznan, Poland

    P. Meteniowski & S. Zieliński

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  1. P. Meteniowski
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  2. S. Zieliński
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Meteniowski, P., Zieliński, S. Studies on the V−Ti−O system obtained by thermal decomposition of vanadyl and titanyl oxalates in argon atmosphere. React Kinet Catal Lett 14, 233–238 (1980). https://doi.org/10.1007/BF02061292

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  • DOI: https://doi.org/10.1007/BF02061292

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