Cas号7440-65-5分子式Y分子量88.91别名钇，钇粉外观AppearanceGreyShinyPowderX-射线衍射X-RayDiffractionConformstoStructure纯度Purity≥99.9%BasedOnRareEarthAnalysisICP:ConfirmsYttriumComponent痕量稀土分析TraceRareEarthAnalysis≤2000.0ppm粒径分布ParticleSizeDistribution:-40Mesh≥90.0%)