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氧化镱

氧化镱
IUPAC名
Ytterbium(III) oxide.
别名 三氧化二镱
识别
CAS号 1314-37-0  checkY
性质
化学式 Yb2O3
摩尔质量 394.08 g/mol g·mol⁻¹
外观 白色固体
密度 9.17 g/cm3 固体
熔点 2355 °C
沸点 4070 °C
溶解性 不溶
结构
晶体结构 立方晶系
配位几何 八面体型
危险性
警示术语 R:未列出
安全术语 S:未列出
欧盟分类 未列出
NFPA 704
0
1
1
 
闪点 不可燃
相关物质
其他阴离子 硫化镱
其他阳离子 氧化铥
氧化镥
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。

氧化镱,化学式Yb2O3

性质

[编辑]

纯品为白色粉末,含有少量氧化钍时则呈黄褐色。不溶于水和冷酸,溶于温稀酸。

制备

[编辑]

以褐钇铌矿为原料,经多步分离得到富铥、镱水溶液,经草酸沉淀分离、过滤、灼烧,制得氧化镱。

用途

[编辑]

主要用于计算机磁泡材料的制造,令磁泡贮存器具有高速度、小体积、大容量、多功能等特点。

参考资料

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氧化镱
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