以氯化镁(分析纯)为原料,反向滴加到氨水中制备普通氢氧化镁,然后在200℃反应釜中对普通氢氧化镁进行水热改性.通过扫描电镜(SEM),X射线多晶衍射仪(XRD),全自动氮物理吸附仪(BET)和激光粒度仪等对样品进行表征分析,得到不同pH条件下晶体生长情况和产品收率.结果表明,常温沉淀过程中pH值为10.0时,产品收率高,粒径分布均匀,分散性好.并且分析了pH值对氢氧化镁晶体生长作用机理.
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