17968 氧化镨/纳米氧化镨 99.9% metals basis 500g 1675
17969 氧化镨/纳米氧化镨 99.999% metals basis 25g 3665
17970 氧化镨/纳米氧化镨 99.999% metals basis 5g 780
17971 氧化镨/纳米氧化镨 50nm 球形，99.5% 100g 492
17972 氧化镨/纳米氧化镨 50nm 球形，99.5% 500g 1978
17973 氧化镨/纳米氧化镨 50nm 球形，99.5% 25g 142
17974 氧化镨/纳米氧化镨 99.9% metals basis 10g 65
17975 氧化镨/纳米氧化镨 99.9% metals basis 100g 390
17976 氧化镨/纳米氧化镨 99.9% metals basis 25g 122
黑褐色致密粉末，不溶于水，易溶于无机酸，生成相应的盐类，导电性良好，在600°C时的导电性是Pr2O3的一千万倍。 密度：6.88 熔点：2042℃，
99.999% metals basis: 外观Appearance Black powder X-射线衍射分析X-Ray Diffraction Conforms to Structure 纯度Purity ≥99.999% Based On Trace Metals Analysis 镨pr (titration with complexometric) 82.0% - 83.0% 总金属杂质Total metallic impurities 20ppm by ICP Atomic emission 99.9% metals basis: 外观Appearance Black powder X-射线衍射分析X-Ray Diffraction Conforms to Structure 纯度Purity ≥99.9% Based On Trace Metals Analysis 镨pr (titration with complexometric) 80.7%-85.7% 总金属杂质Total metallic impurities 2000ppm by ICP Atomic emission 50nm 球形，99.5%: 外观appearance Brown to black powder pr (complexometric titration) 80.7%-85.7% 纯度Purity ≥99.5% Based On Trace Metals Analysis 总金属杂质Total metallic impurities 2500ppm by ICP Atomic emission ICP assay confirms praseodymium component 粒径particle size <200 nm (BET) 测量measurements < 50 nm (XRD)
联合国编号 Risk： R36/37/38- Safety : S26- S37/39- Hazard : Xi -
用作陶瓷釉，镨黄颜料和稀土永磁合金的原料(Dark brown powder, insoluble in water and soluble in mineral acids)。