中文|EH

Oxygen-free Selenium(Se)

2015-04-13 11:45:45

Selenium (Se) 
Advantage : Oxygen-free Selenium 
1,Purity:5N(99.999%) ;6N(99.9999%);
2,Technic: Rectification - Second rectification;
3,Analysis :ICP-MS or GDMS (5N’s standard :All impurity elements is below 10ppm);
4,Particle Size :
 Powder: -100mesh;-200mesh; Granule:1-3mm;2-5mm;
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 30days after customer approval;
9,Physical character: 
Atomic Weight: 78.96 
Electronegative: 2.55 
Density: ρ=4.81 g•cm−3
Melting Point: 221 ℃ 
Boiling Point: 685 ℃ 
10, Specification: 
High Purity Selenium: 
Se-05 Grade 99.999. The content of Selenium is above 99.999%. The total content of Ag, Al, Bi, Cd, Cu, Fe, In, Mg, Ni, Pb, Sb, Te is bellow 10 ppm; 
Uitra Purity Selenium: 
Se-06 Grade 99.9999. The content of Selenium is above 99.9999%. The total content of Ag, Al, Bi, Cd, Cu, Fe, In, Mg, Ni, Pb, Sb, Te is bellow 1 ppm.