Barium carbonate nanoparticle powder is produced by liquid-liquid phase reactive precipitation in a Rotating Packed Bed (RPB) from industrial refined barium chloride and ammonium bicarbonate.

以工业精制氯化钡和碳酸氢铵为原料，在旋转填充床中采用液—液相反应沉淀法合成碳酸钡纳米粉体。

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This paper introduces the method of preparing high-purity magnesium hydroxide by double decomposition method with industrial magnesium chloride and barium hydrosulfide 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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