由工业氯化钡制备高纯度碳酸钡的研究  

Research on Preparation of High Purity Barium Carbnate from Industrial Barium Chloride

作　　者：于跃芹[1] 武玉民[1] 李之俊[1] 邢存章[1] 

机构地区：[1]山东轻工业学院化工系

出　　处：《海湖盐与化工》1999年第4期1-3,共3页Sea-Lake Salt and Chemical Industry

摘　　要：本文以工业ＢａＣｌ２·２Ｈ２Ｏ为原料，采用混合溶剂法除去了Ｃａ２＋、Ｓｒ２＋等主要杂质，获取了高纯度ＢａＣｌ２·２Ｈ２Ｏ。将所得高纯度ＢａＣｌ２·２Ｈ２Ｏ与ＮＨ４ＨＣＯ３反应，并经６０℃二次蒸馏水洗涤，１２０℃干燥，制备了纯度为９９．９１％高纯度ＢａＣＯ３，其中的Ｃａ２＋。The impurity of Ca2+Sr2+was eliminated by mixed solvent method,and BaCI22H2O of high purity was prepared from the indastrial material. The highly pure BaCI22H2O reacted with NH4HCO3 and NH3H2O.The obtained BaCO3 was insed by the secondary distilled water at 60and dried at 120.BaCO3 of high purity of 99.91% was achieved .The content of Ca2+and Sr2+ was less than 20ppm

关 键 词：工业氯化钡 混合溶剂法 碳酸钡 精制 

分 类 号：TQ132.35[化学工程—无机化工]