Introduction:
| Chemical Formula | : | Se |
|---|---|---|
| Melting Point | : | 217 °C |
| Boiling Point | : | 684.9 °C |
| Density | : | 4.79 g/cm3 |
| Form | : | Powder |
Chemical Composition:
| Se | 99.9% |
| Te | 2 PPM |
| Pb | 2 PPM |
| Fe | 4 PPM |
| S | 300 PPM |
| Cu | 1 PPM |
| Na | 270 PPM |
Characteristics:
- Selenium is a non-metal with several allotropes: a black, vitreous form with an irregular crystal structure three red-colored forms with monoclinic crystal structures and a gray form with a hexagonal crystal structure, the most stable and dense form of the element.
Applications:
- Production of light sensitive surfaces
- Pigments for plastics, glass, ceramics and paint, additive to stainless steel; used in manufacture of semiconductors and rectifiers
- Additive to pharmaceutical and nutritional
- Pharmaceutical Industry
- Glass Industry/ Ceramic Industry
- Selenium Based Chemicals