Abstract
The catalytic decomposition of KClO3 is studied in the presence of MnO2, activated carbons and sodium sulphide. This investigation describes the use of thermogravimetry as a convenient technique to investigate catalytic activity of a simple chemical reaction. It is observed that the MnO2 catalyst decreases the decomposition temperature from 480 to 350 °C while the activated carbons cause its decomposition at 320–325 °C. At the same time the carbons undergo facile gasification. Presence of Na2S was the most effective as it induced the carbon-catalysed decomposition of KClO3 at a temperature as low as 220 °C, a temperature at which the carbons were stable and no gasification was observed.
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Martins, S., Fernandes, J.B. & Mojumdar, S.C. Catalysed thermal decomposition of KClO3 and carbon gasification. J Therm Anal Calorim 119, 831–835 (2015). https://doi.org/10.1007/s10973-014-3907-z
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DOI: https://doi.org/10.1007/s10973-014-3907-z