Basic information:
1.Purity:99.99% 4n Se powder
2.CAS No.: 7782-49-2
3.Main application: Medical,glass making,pigments, photocells, electronics
Characteristics:
Selenium is a chemical element with symbol Se and atomic number 34. and found impurely in metal sulfide ores. Selenium has six naturally occurring isotopes. Black Selenium is a brittle, lustrous solid that is slightly soluble in CS2.
Specification
Impurities in ppm
Se % | 99.99 min |
Cu | 0.0001max |
Hg | 0.0002 |
As | 0.0001 |
Sb | 0.0003max |
Te | 0.0001max |
Pb | 0.0003max |
Fe | 0.0009 |
Sn | 0.0001max |
Ni | 0.0001 |
Bi | 0.0001max |
Al | 0.0001max |
Si | 0.0002 |
S | 0.0003 |
Packaging & Shipping
Packing:
Vacuum packed in iron drum lined with plastic film bag;
Shipping:
Usually, it takes 3-15 working days after order confirmation according to different quantity and requirement.
It can be shipped by air,by sea,or by Courier such as: Fedex, DHL,UPS,EMS Taiwan Express etc.
