Cas号 14507-19-8 分子式 LaO3H3;La(OH)4·xH2O 分子量 189.93 别名 Lanthanum(III) hydroxide 质量标准 外观Appearance White Powder X-射线衍射X-Ray Diffraction Conforms to Structure 纯度Purity ≥99.9% Based on Trace Metals Impurities ICP Major Analysis Confirms Lanthanum component 痕量金属杂质total metallic impurities ≤2000.0 ppm