Thermal Decomposition of Ni(II) and Fe(III) Nitrates and their Mixture

被引：0
|
作者：
M. A. A. Elmasry
A. Gaber
E. M. H. Khater
机构：
[1] N. R. C.,Metallurgy Department
[2] Atomic Energy Authority,Physics Department, Faculty of Science
[3] Assiut University,undefined
[4] National Research Center,undefined
来源：
Journal of Thermal Analysis and Calorimetry | 1998年 / 52卷
关键词：
Fe(III) nitrate; nickel ferrite; nickel nitrate; thermal decomposition;
D O I：
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中图分类号：
学科分类号：
摘要：
The thermal decompositions of nickel(II) nitrate hexahydrate and iron(III) nitrate nonahydrate were followed. It was found that the final decomposition products were NiO at 623 K and Fe2O3 at 523 K, respectively. The two salts exhibited only endothermic peaks and a loss in mass until constant mass was attained. The decomposition reactions and the compounds corresponding to each reaction were established. A heating rate of 1 K min-1 revealed several intermediates; higher heating rates shifted the peaks to higher temperatures. The use of an air flow during decomposition shifted the reactions to lower temperatures.
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页码：489 / 495
页数：6
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