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Thermal decomposition of bismuth stearates

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Abstract

Two bismuth salts, Bi6O4(OH)4(C17H35COO)6 and Bi6O4(OH)4(C17H35COO)6·nC17H35COOH, were synthesized. The thermogravimetry under quasi-isothermal conditions denotes the multi-step character of decomposition processes for both compounds. The thermogravimetry under linear heating was used for kinetic studies. Thermogravimetric data (obtained at different rates of linear heating) were processed with 'Netzsch Thermokinetics' computer program. Kinetic parameters were calculated only for the first decomposition step for both salts, the process is described by different nucleation equations (with and without autocatalysis).

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Authors and Affiliations

  1. Institute of Inorganic Chemistry, Siberian Branch, Russian Academy of Sciences, Ac. Lavrentyev Ave. 3, Novosibirsk-90, 630090, Russia

    V. Logvinenko

  2. Siberian University of Consumer's Cooperation, K. Marx Ave. 26, Novosibirsk, 630087, Russia

    A. Minina, Yu. Mikhaylov, Yu. Yukhin & B. Bokhonov

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  1. V. Logvinenko
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  2. A. Minina
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  3. Yu. Mikhaylov
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  4. Yu. Yukhin
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  5. B. Bokhonov
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Logvinenko, V., Minina, A., Mikhaylov, Y. et al. Thermal decomposition of bismuth stearates. Journal of Thermal Analysis and Calorimetry 74, 407–411 (2003). https://doi.org/10.1023/B:JTAN.0000005175.87286.1b

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  • DOI: https://doi.org/10.1023/B:JTAN.0000005175.87286.1b

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