氧化铕
Europium oxide
分子式 Eu2O3
分子量 351.91
别名 Europium(III) oxide
分子结构式
性状 略带微红色的粉末,不溶于水,可溶于无机酸,能迅速吸收空气中的水和二氧化碳。
密度: 7.42
熔点:2291℃
沸点:3790℃
备注: 以上描述,仅作参考,并不表示您收到的产品,与此项描述完全相符,产品的出厂标准,请参见质量标准。
质量标准
99.9% metals basis:
外观Appearance White Powder
X-射线衍射分析X-Ray Diffraction Conforms to Structure
纯度Purity ≥99.9% Based on Trace Metals Impurities of ICP
ICP: Confirms Europium Component Confirmed
铕Eu(Complexometric EDTA) 84.6 - 88.1 %
痕量金属分析total metallic impurities ≤2000ppm by ICP Atomic emission
(Sb、As、Ba、B、Ca、Ce、Dy、Er、Gd、Ho、Lu、Mg、Nd、Pr、Na、Tm、Ti、V、Y)
99.99% metals basis:
外观Appearance White to Pale Pink Powder
X-射线衍射分析X-Ray Diffraction Conforms to Structure
纯度Purity ≥99.99% Based on Trace Metals Impurities of ICP
ICP: Confirms Europium Component Confirmed
铕Eu(Complexometric EDTA) 84.6 - 88.5 %
痕量金属分析total metallic impurities ≤200ppm by ICP Atomic emission
(Sb、As、Ba、B、Ca、Ce、Dy、Er、Gd、Ho、Lu、Mg、Nd、Pr、Na、Tm、Ti、V、Y、Au、Pb、Fe、Sm)
99.999% metals basis:
外观Appearance White to Pale Pink Powder
X-射线衍射分析X-Ray Diffraction Conforms to Structure
纯度Purity ≥99.999% Based on Trace Metals Impurities of ICP
ICP: Confirms Europium Component Confirmed
铕Eu(Complexometric EDTA) 84.6 - 88.5 %
痕量金属分析total rare earth impurities ≤20ppm by ICP Atomic emission
(Sb、As、Ba、B、Ca、Ce、Dy、Er、Gd、Ho、Lu、Mg、Nd、Pr、Na、Tm、Ti、V、Y、Au、Pb、Fe、Sm)
99.99%
外观Appearance white to slightly pink powder
总杂质Total impurities as REO ≤0.1 %
贮存 易吸潮
用途 用作多种荧光粉的激活剂,是红色荧光粉的必要材料,也可以作为原子反应堆的控制材料。
联合国编号
Risk: R36/37/38-
Safety : S26- S36-
Hazard : Xi