الوصف

Selenium (Se)
Advantage : Oxygen-free Selenium
1,Purity:5N(*9.**9%) ;6N(*9.***9%);
2,Technic: Rectification - Second rectification;
3,Analysis :ICP-MS or GDMS (5N’s standard :All impurity elements is below *0ppm）;
4,Particle Size :
 Powder: ***0mesh;***0mesh; Granule:**3mm;**5mm;
5,Service :Supply MSDS ,Free sample ; Solutions for material application;
6,Packing :Vacuum packing or Argon shield ;
7,Application: It is mainly used in the manufacture of II-VI compound semiconductor: ZnSe,CdSe ;CIGS thin-film solar cells ...
8,Payment term : T/T *0days after customer approval;
9,Physical character:
Atomic Weight: *8.*6
Electronegative: 2.*5
Density: ρ=4.*1 g•cm−3
Melting Point: **1 ℃
Boiling Point: **5 ℃
*0, Specification:
High Purity Selenium:
Se**5 Grade *9.**9. The content of Selenium is above *9.**9%. The total content of Ag, Al, Bi, Cd, Cu, Fe, In, Mg, Ni, Pb, Sb, Te is bellow *0 ppm;
Uitra Purity Selenium:
Se**6 Grade *9.***9. The content of Selenium is above *9.***9%. The total content of Ag, Al, Bi, Cd, Cu, Fe, In, Mg, Ni, Pb, Sb, Te is bellow 1 ppm.