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碳酸钐

碳酸钐

识别
CAS号 5895-47-6  checkY
性质
化学式 Sm2(CO3)3
摩尔质量 480.757 g·mol⁻¹
外观 固体
熔点 分解
溶解性 难溶
(1.89×10-5mol/L)[1]
相关物质
其他阳离子 碳酸镨
碳酸钷
碳酸铕
相关化学品 三氯乙酸钐
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。

碳酸钐是一种无机化合物化学式为Sm2(CO3)3

制备

[编辑]

碳酸钐可以由三氯乙酸钐的水解得到:[1]

2 Sm(C2Cl3O2)3 + 3 H2O → Sm2(CO3)3 + 6 CHCl3 + 3 CO2

化学性质

[编辑]

碳酸钐可溶于酸,放出二氧化碳

Sm2(CO3)3 + 6 H+ → 2 Sm3+ + 3 H2O + 3 CO2

碳酸钐在高温下分解,生成氧化钐

Sm2(CO3)3 → Sm2O3 + 3 CO2

参考资料

[编辑]
  1. ^ 1.0 1.1 《无机化学丛书》. 第七卷 钪 稀土元素. 易宪武 黄春晖 等编.科学出版社. P174. 碳酸盐. ISBN 978-7-03-030574-9
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碳酸钐
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