The thermal decomposition of manganese(II) sulphite trihydrate |
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Authors: | F G Buttler A Mitchell |
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Institution: | (1) Teesside Polytechnic, Middlesbrough, Cleveland, England |
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Abstract: | Thermal studies have shown that manganese(II) oxide and trimanganese tetroxide are the final decomposition products when manganese(II) sulphite trihydrate is heated in nitrogen and oxygen respectively. However, in each atmosphere, there are several decomposition routes involving the intermediate formation of manganese(II) sulphate and manganese(II) sulphide. The reactions can be summarized as follows:
Zusammenfassung Thermische Untersuchungen haben gezeigt, da\ Mangan(II)oxid und Trimangan-Tetroxid die Endprodukte der Zersetzung sind, wenn Mangan(II)sulfit Trihydrat in Stickstoff bzw. Sauerstoff erhitzt wird. In jeder der AtmosphÄren gibt es jedoch erschiedene Zersetzungswege, wobei vorübergehend Mangan(II)sulfat und Mangan(II)sulfid gebildet werden. Die Reaktionen können, wie folgt, zusammengefa\t werden:
Résumé Les études thermiques montrent que l'oxyde de manganèse(II) et le tétroxyde de trimanganèse constituent les produits finaux de la décomposition du sulfite de manganèse(II) chauffé respectivement dans l'azote et dans l'oxygène. Cependant dans chacune de ces atmosphères, plusieurs chemins de décomposition peuvent Être suivis. Ils font intervenir la formation intermédiaire de sulfate de manganèse(II) et de sulfure de manganèse(II). Les réactions peuvent Être résumées comme suit:
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