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碘化鎂
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更新 2013-09-23 12:23
 
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碘化鎂
化學式MgI2.。熔點低于637攝氏度(637攝氏度分解),白色晶體粉末,密度4.43g/m3。具吸濕性,易溶于水(20攝氏度時溶解度為140g)。見空氣或見光易變色,溶于乙醇和**。   制取方法:①在有催化劑(水)或加熱條件下,使單質(zhì)碘與鎂反應:   Mg+I2=MgI2  ?、谟蓮头纸夥磻频茫?  CaI2+MgCO3=CaCO3+MgI2   用途:用作藥物。

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