Cas号13759-83-6分子式***N3O9·6H2O；***(NO3)3·6H2O分子量444.47外观Appearance***粉末或结晶红外光谱鉴别InfraredspectrometryConformstoStructure纯度Purity≥99.999%BasedOnTraceMetalsAnalysisofICP钐***33.2-34.5%（ComplexiometricEDTA）ICP:ConfirmsSamariumComponentConfirmed痕量稀土金属分析TraceRareEarthAnalysis≤20.0ppm(Gd、Y、Tb、La、V、Tl、Pb、Pr、Se、Yb、Eu))