Cas号7782-49-2Beilstein分子式Se分子量78.96别名精料精,硒外观AppearanceGreyPellets纯度Purity≥99.999%BasedonTraceMetalsImpurities粒径Size≤150.00micronICP:ConfirmsSeleniumComponentConfirmed痕量金属分析TraceMetalAnalysis≤10.0ppm(Ca、Fe、Ti、Zn、Se、Cu、As、Pb、S))