钆元素在碳酸钠、碳酸氢铵溶液中溶解性研究  

Study of Solubility of Gadolinium in Sodium Carbonate and Ammonium Bicarbonate Solution

作　　者：赵永志[1,2] 郝先库[2] 张瑞祥[2] 胡珊珊[2] 马显东 许宗泽[2] 

机构地区：[1]内蒙古科技大学材料与冶金学院,内蒙古包头014010 [2]包头市京瑞新材料有限公司,内蒙古包头014015

出　　处：《稀土》2013年第1期37-40,共4页Chinese Rare Earths

摘　　要：研究了钆元素在碳酸钠、碳酸氢铵溶液中的溶解性。钆元素在碳酸钠、碳酸氢铵溶液中随着反应时间的延长溶解量先增大后减小;提高碳酸钠和碳酸氢铵浓度也可以增加钆元素的溶解量;反应温度对钆元素在碳酸钠和碳酸氢铵溶液中的溶解性影响不同,表现为温度升高,钆在碳酸氢铵溶液中的溶解量减小,在碳酸钠溶液中增大。在碳酸氢铵溶液中加入氨水可以增大钆的溶解量,而在碳酸钠溶液中加入氢氧化钠使钆的溶解量减小。In this paper, the solubility of gadolinium in sodium carbonate and ammonium bicarbonate was studied. As a result, the solubility increased then decreased with reaction time. The solubility was improved by increasing carbonate concentration. With the increasing temperature, the solubility increased in sodium carbonate but decreased in ammonium bicarbonate solution. The solubility of gadolinium increased in anmmonium bicarbonate but decreased in sodium carbonate with addition of ammonium hydroxide.

关 键 词：钆 碳酸氢铵 碳酸钠 溶解性 

分 类 号：TQ110.3[化学工程—无机化工]