碘化铯1500元/kgCas号7789-17-5分子式CsI分子量259.81质量标准外观AppearanceWhitePowderorCrystalsX-射线衍射X-RayDiffractionConformstoStructure纯度Purity≥99.999%BasedonTraceMetalsImpuritiesICP:ConfirmsCesiumComponentConfirmed痕量金属杂质totalmetallicimpurities≤20ppmbyICPAtomicemission)