This paper introduces the method of preparing high-purity magnesium hydroxide by double decomposition method with industrial magnesium chloride and bariumhydrosulfide as the raws materials.
以工业氯化镁和硫氢化钡为原料，采用复分解法合成高纯氢氧化镁。
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The said treatment process can eliminate the effect of the impurity and produce sodium hydrosulfide product similar to that produced through barium salt process.