20786 氧化铽 99.9% metals basis 500g 19940
20787 氧化铽 99.9% metals basis 100g 5755
20789 氧化铽 99.9% metals basis 25g 1475
20793 氧化铽 99.9% metals basis 5g 465
棕褐色粉末，不溶于水，溶于酸。 熔点 2340°C 密度 7.3 g/mL at 25 °C(lit.)
99.9% metals basis: 外观Appearance Brown to Brown-Black Powder X-射线衍射分析X-Ray Diffraction Conforms to standard 纯度Purity ≥99.9% ICP: Confirms Terbium Component Confirmed 铽Tb 83.3 - 86.7 % (Complexometric EDTA) 痕量金属分析Trace Rare Earth Analysis ≤2000ppm by ICP Atomic emission (Sb、As、Ba、Ca、Ce、Cr、Co、Cu、Dy、Gd、Li、Nd、Sc、Ti、V、Y、Zn) 99.99% metals basis: 外观Appearance Brown Powder X-射线衍射分析X-Ray Diffraction Conforms to standard 纯度Purity ≥99.99% ICP: Confirms Terbium Component Confirmed 铽TB 82.8-84.2 % (Complexometric EDTA) 痕量金属分析Trace Rare Earth Analysis ≤100ppm by ICP Atomic emission (Sb、As、Ba、Ca、Ce、Cr、Co、Cu、Dy、Gd、Li、Nd、Sc、Ti、V、Y、Zn) 99.999% metals basis: 外观Appearance Brown Powder X-射线衍射分析X-Ray Diffraction Conforms to standard 纯度Purity ≥99.999% ICP: Confirms Terbium Component Confirmed 铽TB 82.8-84.2 % (Complexometric EDTA) 痕量金属分析Trace Rare Earth Analysis ≤20ppm by ICP Atomic emission (Sb、As、Ba、Ca、Ce、Cr、Co、Cu、Dy、Gd、Li、Nd、Sc、Ti、V、Y、Zn)
安全说明 24/25 WGK Germany 3
用途 用作钇铁、钇铝柘榴石的添加剂和生产金属铽的原料，还可用作荧光粉的活化剂，作X射线增感纸用荧光体。 用途 用作磁性材料和荧光粉的添加剂