Cas号7440-20-2分子式Sc分子量45.96外观AppearanceGreyPowderoringot纯度Purity≥99.9%BasedonTraceMetalsImpuritiesofICPICP:ConfirmsScandiumComponentConfirmed痕量金属分析totalmetallicimpurities≤2000ppmbyICPAtomicemission(Na、Ca、Cu、Y、Al、Cr、Mo、W、Pb、Fe、Co、Lu))