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偏铝酸镁

偏铝酸镁
英文名 Magnesium aluminate
别名 铝酸镁
识别
CAS号 12068-51-8  checkY
性质
化学式 Mg(AlO2)2
摩尔质量 142.267 g·mol⁻¹
外观 白色粉末
相关物质
其他阳离子 偏铝酸钙偏铝酸锶
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。

偏铝酸镁是一种无机化合物,化学式为Mg(AlO2)2或MgAl2O4。它可在共同还原金属氧化物的时候产生,如:[1]

4 Cr2O3 + 3 Mg + 6 Al → 8 Cr + 3 Mg(AlO2)2

偏铝酸镁在自然界中以尖晶石的形式存在。

化学性质

[编辑]

偏铝酸镁可以和过量的反应而溶解,如:

Mg(AlO2)2 + 8 HCl → MgCl2 + 2 AlCl3 + 4 H2O

参考文献

[编辑]
  1. ^ 北师大 等. 无机化学(下册)第四版. 高等教育出版社, 2003. pp 841. 26-2 常规制备物质的典型方法. ISBN 978-7-04-011583-3
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偏铝酸镁
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