Cas号12037-29-5分子式Pr6O11分子量1021.44别名Praseodymiapraseodymiumoxide外观AppearanceBlackpowderX-射线衍射分析X-RayDiffractionConformstoStructure纯度Purity≥99.999%BasedOnTraceMetalsAnalysis镨pr(titrationwithcomplexometric)82.0%-83.0%总金属杂质Totalmetallicimpurities20ppmbyICPAtomicemission)