性狀 不溶于水,易溶于無機酸,生成相應的鹽類,導電性良好,在600°C時的導電性是Pr2O3的一千萬倍。
備注: 以上描述,僅作參考,并不表示您收到的產品,與此項描述完全相符,產品的出廠標準,請參見質量標準。
質量標準
99.999% metals basis:
外觀Appearance Black powder
X-射線衍射分析X-Ray Diffraction Conforms to Structure
純度Purity ≥99.999% Based On Trace Metals Analysis
鐠pr (titration with complexometric) 82.0% - 83.0%
總金屬雜質Total metallic impurities 20ppm by ICP Atomic emission
99.9% metals basis:
外觀Appearance Black powder
X-射線衍射分析X-Ray Diffraction Conforms to Structure
純度Purity ≥99.9% Based On Trace Metals Analysis
鐠pr (titration with complexometric) 80.7%-85.7%
總金屬雜質Total metallic impurities 2000ppm by ICP Atomic emission
50nm 球形,99.5%:
外觀appearance Brown to black powder
pr (complexometric titration) 80.7%-85.7%
純度Purity ≥99.5% Based On Trace Metals Analysis
總金屬雜質Total metallic impurities 2500ppm by ICP Atomic emission
ICP assay confirms praseodymium component
粒徑particle size <200 nm (BET)
測量measurements < 50 nm (XRD)
貯存
用途 用作陶瓷釉,鐠黃顏料和稀土永磁合金的原料(Dark brown powder, insoluble in water and soluble in mineral acids)。
聯合國編號
Risk: R36/37/38-
Safety : S26- S37/39-
Hazard : Xi -