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Selenium powder
Black gray powder
-100 mesh; -200 mesh
Mainly used in the production of selenium dioxide as a catalyst for manganese electrolysis, and also used in rectifiers, photographic exposure agents, petrochemical work catalysts, photocopy toner cartridges, selenium photosensitive plates, alloys, etc.
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Product description
Product specifications
Purity: 4N-6N
Black gray powder
-100 mesh; -200 mesh
Application field
Mainly used in the production of selenium dioxide as a catalyst for manganese electrolysis, and also used in rectifiers, photographic exposure agents, petrochemical work catalysts, photocopy toner cartridges, selenium photosensitive plates, alloys, etc.
Typical chemical composition analysis
|
Chemical Component（wt%） |
|||||||
|
Se |
Fe |
As |
Te |
Pb |
Ni |
Cu |
Cd |
|
99.9999 |
<0.0002 |
<0.0001 |
<0.00008 |
<0.000002 |
<0.000003 |
<0.000001 |
<0.000001 |
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Purity 4N-6N<br>
silver white or reddish metal
<br>
Widely used in various bismuth alloy products, low temperature solders, steel mill metallurgical additives, petroleum exploration, plastic fillers, precision castings, electroplating wheels, grinding discs, sharpening knives, etc.
Be≥98%, size: 2-10mm, steel gray metal<br>
Beryllium is an indispensable precious material in atomic energy, rockets, missiles, aviation, astronautics and metallurgical industries<br>
Purity 3N- 7N<br>
Particle size 100 mesh -450 mesh<br>
Gray black powder<br>
Used as additives for semiconductor devices, refrigeration devices, alloys, chemical raw materials, cast iron, rubber, glass and other industries
Purity 4N-6N<br>
Silver-white metal, liquid above 29.78℃, solid below 29.78℃. <br>
Gallium is widely used in radio communications, optical fiber communications, automotive radar, LED lighting, solar cells and other fields. <br>
Manufacturing semiconductor gallium nitride, gallium arsenide, gallium phosphide, and germanium semiconductor dopants; pure gallium and low-melting alloys can be used as heat exchange media for nuclear reactions; filling materials for high-temperature thermometers; as catalysts for diesterization in organic reactions.
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