氧化钬(Ⅲ) (CAS No.39455-61-3)
- 物化性质
- 浅黄色结晶粉末；不溶于水，溶于酸。密度8.36 g/cm³，熔点2367℃。分子量约377.86。在不同光照条件下外观变化显著：日光下为浅黄色，三原色光源下呈强橘红色。具有约5.3 eV的宽禁带，其黄色外观源于晶格缺陷（如氧空位）及Ho3+的内转换。
- 纯度
- 99%
- 外观
- 浅黄色结晶粉末
- 密度
- 8.36 g/cm³
- 熔点
- 2367℃
- 溶解性
- 不溶于水，溶于酸
English description（英文原文，共 1054 字符）
Product Name:Holmium(III) oxide
English Name:Holmium(III) oxide
CAS No.:39455-61-3
Aliases:Holmium oxide, Holmium trioxide, Holmium sesquioxide
Molecular Formula:Ho2O3
Physical Properties:Light yellow crystalline powder; insoluble in water, soluble in acids. Density 8.36 g/cm³, melting point 2367°C. Molecular weight approximately 377.86. Its appearance varies notably with lighting conditions: pale yellow in daylight and strong orange-red under trichromatic light. It has a wide band gap of about 5.3 eV; the yellow color is attributed to lattice defects (e.g., oxygen vacancies) and internal conversion of Ho3+.
Uses:Holmium(III) oxide is mainly used in specialty optical glass and optical fibers, as a dopant for holmium lasers, and in ceramics, catalysts, and magnetic materials. It is also used as a thermal neutron absorber in nuclear reactor control materials.
Technical Specifications:
Purity: 99%
Appearance: light yellow crystalline powder
Density: 8.36 g/cm³
Melting point: 2367°C
Solubility: insoluble in water, soluble in acids
English Name:Holmium(III) oxide
CAS No.:39455-61-3
Aliases:Holmium oxide, Holmium trioxide, Holmium sesquioxide
Molecular Formula:Ho2O3
Physical Properties:Light yellow crystalline powder; insoluble in water, soluble in acids. Density 8.36 g/cm³, melting point 2367°C. Molecular weight approximately 377.86. Its appearance varies notably with lighting conditions: pale yellow in daylight and strong orange-red under trichromatic light. It has a wide band gap of about 5.3 eV; the yellow color is attributed to lattice defects (e.g., oxygen vacancies) and internal conversion of Ho3+.
Uses:Holmium(III) oxide is mainly used in specialty optical glass and optical fibers, as a dopant for holmium lasers, and in ceramics, catalysts, and magnetic materials. It is also used as a thermal neutron absorber in nuclear reactor control materials.
Technical Specifications:
Purity: 99%
Appearance: light yellow crystalline powder
Density: 8.36 g/cm³
Melting point: 2367°C
Solubility: insoluble in water, soluble in acids
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常见问题
- 氧化钬(Ⅲ)的 CAS 号是多少？
- 氧化钬(Ⅲ)的 CAS 号是 39455-61-3。
- 氧化钬(Ⅲ)的分子式和分子量是什么？
- 氧化钬(Ⅲ)的分子式为 Ho2O3。
- 氧化钬(Ⅲ)的英文名称是什么？
- 氧化钬(Ⅲ)的英文名称为 Holmium(III) oxide。
- 氧化钬(Ⅲ)还有哪些别名？
- 氧化钬(Ⅲ)又称 氧化钬、三氧化二钬。
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