Sell Tellurium(99.99%-99.99999%)

Tellurium (Te)
1, Physical character:
Atomic Weight: 127.60
Electronegative: 2.1
Density: ρ=6.24 g•cm−3
Melting Point: 449.51 ℃
Boiling Point: 988 ℃
2, Specification:
High Purity Tellurium:
Te-05 Grade 99.999. The content of Tellurium is above 99.999%. The total content of Ag, Al, Bi, Ca, Cr, Cd, Cu, Fe, Mg, Mn, Na, Ni, Pb, Se, Si & Zn is bellow 10 ppm;
Uitra Purity Tellurium:
Te-06 Grade 99.9999. The content of Tellurium is above 99.9999%. The total content of Ag, Al, Bi, Ca, Cr, Cd, Cu, Fe, Mg, Mn, Na, Ni, Pb, Se, Si & Zn is bellow 1 ppm;
Uitra High Purity Tellurium:
Te-07 Grade 99.99999. The content of Tellurium is above 99.99999%. The total content of Ag, Al, Bi, Ca, Cr, Cd, Cu, Fe, Mg, Mn, Na, Ni, Pb, Se, Si & Zn is bellow 0.1 ppm.
3, Physical Size:
Lump, Ingot, Powder.
4, Usage:
It is mainly used in the manufacture of II-VI compound semiconductor, thermoelectric converting element, refrigerating element, piezocrystal and infrared detector etc.
5, Packing:
It is packed with dacron film, then covered with a sealed plastic film bag or vacuum sealed in a glass ampule.