二氧化碲2200元/kgCas号7446-07-3分子式TeO2分子量159.60别名氧化碲(IV),亚碲酐Tellurium(IV)oxidetelluriumoxide外观AppearanceWhitePowderorCrystallinePowderX-射线衍射X-RayDiffractionConformstoStructure纯度Purity≥99.99%BasedonTraceMetalsImpuritiesICPMajorAnalysisConfirmsHafniumcomponent痕量金属杂质totalmetallicimpurities≤200ppmbyICPAtomicemission)