... : 452 °CBoiling Point: bp: 1390 °CBandwidth: 0.35 eV2, Specification:High Purity Tellurium:Te-05 Grade 99.999. The content of Tellurium ... , Ni, Pb, Se, Si & Sn is bellow 10 ppm;Uitra Purity Tellurium:Te-06 Grade 99.9999. The content of Tellurium ... , Ni, Pb, Se, Si & Zn is bellow 1 ppm;Uitra High Purity Tellurium:Te-07 Grade 99.99999. The content of Tellurium ...