99.99% Tellurum Ingot,Tellurium Powder,Tellurium Granule
Tellurium Granule
Pure:4N or 99.99%
Technic: Anode mud electrolysis  -vacuum distillation--pelletize under Nitrogen protective
Analysis:ICP-MS or GDMS (Please find the COA attached! )
Size:0.5-2mm or 1-3mm (or customize)
Neutral Packing:Vacuum packing or Nitrogen protecting,2Kgs /Bags
Usage: It is mainly used in the manufacture of II-VI compound semiconductor, thermoelectric converting element, refrigerating element,,infrared detector, Testing instrument (Testing Si,C elements in molten steel )etc. 
 
Tellurium (Te)
1, Physical character:
Atomic Weight: 127.60
Electronegative: 2.1
Density: =6.24 gcm?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.