Cas号13709-38-1分子式LaF3分子量195.90质量标准外观Appearance白色粉末或结晶红外光谱鉴别InfraredspectrometryConformstoStructure纯度Purity≥99.99%PurityBasedOnRareEarthImpuritiesICPAssayConfirmsLanthanumComponent痕量稀土分析TraceRareEarthAnalysis≤200ppmbyICPAtomicemission（Li，K,Ni，Ru,Cs,Mg,Ca,Sr,Ba,Y,U,Ti,Dy,Ce,Si,Cr，Pb,Pr,Er,Mn,Nd,Tm,Fe,Se,***,Yb))