Cas号7440-67-7分子式Zr分子量91.22别名金属***质量标准外观AppearanceSilverpowderX射线衍射X-RayDiffractionConformstoStructure痕量金属TraceMetalAnalysis≤500ppm（ExcludingHafniumContent）纯度Purity(metalsbasis)≥99.95%------------------------------------------------------------)