Cas号1306-38-3分子量172.11别名二氧化***，氧化高***，二氧化***性状淡***或黄褐色粉末质量标准99.95%metalsbasis，<100nm(BET)外观AppearancenanopowderX-射线衍射分析X-RayDiffractionConformstostandard纯度Purity≥99.95%BasedonTraceMetals粒径Particlesize<100nm(BET)痕量金属分析totalmetallicimpurities≤500ppmbyICPAtomicemission99.99%metalsbasis:外观AppearanceYellowtoTanpowderX-射线衍射分析X-RayDiffractionConformstostandard纯度Purity≥99.99%BasedonTraceMetalsImpuritiesofICPICPAssayConfirmsCeriumcomponent灼烧损失lossonignitiontypically<1%痕量稀土杂质rareearthimpurities≤200ppmbyICPAtomicemission)