Using high-grade witherite from Sichuan Wanyuan Miaozi as a raw material,the analytical purity barium cholride is prepared by HCl leaching and new purifying method.

• 研究了以四川万源庙子的毒重石富矿为原料,用盐酸浸取,通过新工艺净化制备出分析纯的氯化钡。