Description

1, Physical character: 
Atomic Weight: **7.*0 
Electronegative: 2.1 
Density: ρ =6.*4 g/cm− 3 
Melting Point: **9.*1 
Boiling Point: **8 
2, Specification: 
High Purity Tellurium: 
Te**5 Grade *9.**9. The content of Tellurium is above *9.**9%. The total content of AG, Al, Bi, Ca, Cr, CD, Cu, Fe, Mg, Mn, Na, Ni, Pb, Se, Si & Zn is bellow *0 ppm; 
Uitra Purity Tellurium: 
Te**6 Grade *9.***9. The content of Tellurium is above *9.***9%. 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**7 Grade *9.****9. The content of Tellurium is above *9.****9%. 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. Name Purity Spec. Total Unit Lot No.  Standard No.               Te 6N     kg   Q/*********9.*****8 Impurity Content    (ppm weight)  Element    Guarantee Value(max)    Test Result   Element    Guarantee Value(max)    Test Result   Element    Guarantee Value(max)   Test Result   Cu 0.*1   In /   Al 0.*5