selenium powder
Brand Name:SY
Minimum Order Quantity:10
Price:US $50-80 / Kilogram
Supply Ability:1000 Kilogram/Kilograms per Month
Packaging Details:20kg/25kg/30kg/50kg per Iron Drum or as customer's requirment
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Location:
Shijiazhuang Hebei China
Address:
TianshanStreet High-tech Development Zone, Shijiazhuang City, Hebei Province, China
Supplier`s last login times:
within 30 hours
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Selenium Powder
1.High quality with competitive price.
2.Free sample is available.
Pure selenium powder (Se)
Physical character:
Atomic Weight: 78.96
Electronegative: 2.55
Density: ρ=4.79 g·cm−3
Melting Point: 221 °C
Boiling Point: 685 °C
| CHEMICAL COMPONENT % | |||
| Se | ≥99.99 | Pb | < 0.0001 |
| Cu | < 0.0005 | N | < 0.0001 |
| Hg | < 0.0001 | Ni | < 0.0002 |
| As | < 0.0001 | S | < 0.0001 |
| Sb | < 0.0006 | Ne | < 0.0005 |
| Te | < 0.0001 | C | < 0.0003 |
| Fe | < 0.0001 | Sn | < 0.0004 |
| Bi | < 0.0008 | O | < 0.0001 |
Application:
It is mainly used in the preparation of the material of the selenium drum, photoelectric material, electrostatic photogragh and other materials of optical instrument.
selenium powder
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