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嘟嘟肥猫

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[求助] 氧化镁水化得条件?如果在蒸氨的时候发生水化会不会是滤渣饼比较黏

氧化镁水化得条件?如果在蒸氨的时候发生水化会不会是滤渣饼比较黏
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幸福的小熊x

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同求~~坐等高人解答~~
2楼2012-09-10 10:58:04
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jiagle

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【答案】应助回帖

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fds329: 金币+2, 感谢应助。辛苦了O(∩_∩)O 2012-09-30 13:21:22
氢氧化镁应该在300度以上才会分解:
   Mg(OH)2 = MgO + H2O
其逆过程就是MgO的水化,也就是说300度以下遇水都会转化为氢氧化镁,氧化镁可以从氨水中吸夺水份;
氢氧化镁也是可以吸水的,表面吸水后固体部分发粘也很正常。
3楼2012-09-11 09:05:42
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