Silicate Structure and Redox Reaction of Manganese Ion
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Redox reaction of manganese ion in soda-silicate was investigated with optical absorption method and the relation between silicate structure and state of manganese ion was discussed. In order to interpret the behaviour of manganese ion in reducing condition, a new equation of redox reaction of manganese was proposed. It was suggested that, with increasing P_<o_2>, free oxygen ion in soda-silicate is inclined to be consumed in the form of octahedrally coordinated Mn^<3+> whereas, with decreasing P_<o_2>, in the form of octahedrally coordinated Mn^<2+>. Further, it was also indicated that the application of manganese ion to the indicator of basicity of slag was difficult unless the coordination change is clarified quantitatively.
- 大阪大学の論文
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