... / selenium 74 3,CAS: 7782-49-2 Selenium ingot, Se, 99.99% 1, Physical character:Atomic Weight: 78.96Electronegative: ... : bp: 684.9 °C2, Specification:High Purity Selenium:Se-05 Grade 99.999. The content of Selenium is above ... Ca & Tl is bellow 10 ppm;Uitra Purity Selenium:Se-06 Grade 99.9999. The content of Selenium is ... /iron drumSelenium GranuleSelenium ingotSelenium powder Selenium ingot, Se, 99.99%