Selenium
HS code: 2804900000
CAS: 7782-49-2
EC: 231-957-4
Chemical element: Se
Purity: 99.3% | 99.7% | 99,95% | 99,999
Appearance: powder, granules, ingot,
Color:: black
Worldwide delivery
DESCRIPTION
- powder, particle size min. 1 mm;
- granules of 2 to 5 mm.
Application: pharmaceuticals, food additives, paint, and glass industry, metallurgy (production of high-quality alloys), and electronic industry.
Quality specification
| Chemical composition, % | Grade Se-0 | Grade Se-1 |
| Selenium, not less | 99,9 | 99,5 |
| Ferrum | 0,005 | 0,010 |
| Copper | 0,0020 | 0,0050 |
| Lead | 0,002 | 0,005 |
| Mercury | 0,0010 | 0,0050 |
| Tellurium | 0,020 | 0,100 |
| Arsenic | 0,003 | 0,005 |
| Sulfur | 0,005 | 0,020 |
| Aluminum | 0,005 | 0,005 |
| Antimony | 0,005 | - |
| Potassium | 0,005 | - |
| Sodium | 0,005 | - |
| Calcium | 0,005 | - |
| Magnesium | 0,005 | - |
| Other impurities, not more | 0,10 | 0,50 |
PACKAGE AND TRANSPORTATION
The goods are to be packed in transport cloth packets.
Each two cloth packets are to be put in one carton box.
Each 12 carton boxes are to be put on a one-way pallet (OWP) (1200х800 mm).
Every 12 cartons on the OWP are to be banded with the plastic strip.
GUARANTEED STORAGE PERIOD
The storage period of selenium in the cold warehouse is 5 years, in the heated warehouse is 8 years.
