Interaction of bismuth(III) oxide with formic acid solutions |
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| Authors: | K. V. Mishchenko Yu. M. Yukhin I. A. Vorsina |
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| Affiliation: | 1.Institute of Solid-State Chemistry and Mechanochemistry, Siberian Branch,Russian Academy of Sciences,Novosibirsk,Russia |
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| Abstract: | The interaction of bismuth(III) oxide with formic acid solutions at 22 and 55°C was studied using X-ray powder diffraction, thermogravimetry, electron microscopy, IR spectroscopy, and chemical analysis. Solubility curves were found to comprise two branches due to formates of compositions Bi(COOH)3 and BiOCOOH forming in the system. Thermal decomposition of bismuth formates is shown to be a promising route for the synthesis of metallic bismuth, as well as of tetragonal (β) and monoclinic (α) bismuth oxides. |
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