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Contact Person Mr. Jack
No.18 Xihuan South Road, Economic Development Area,., Beijing, Beijing
PROPERTIES
Amorphous red powder, When heated, it turns to crystal and turns into during the long term storage. The S.G.of Crystalloid Selenium powder is 4.5g/cm3, with M.P.of **5°C; Amorphous selenium will soften at *0°C and melt at **7°C. Crystalloid selenium with property of semiconductor is dissoluble in strong nitric and alkali. Selenium can be alloyed with silver, copper, zinc and lead, low toxicity.
APPLICATION
Pharmaceutical, chemical, glass, electronic, metallurgy, ceroscopy industry.
STANDARD SPECIFICATION
|
CHEMICAL COMPONENT % |
|||
|
Se |
≥*9.9 |
Pb |
< 0.***1 |
|
Cu |
< 0.***5 |
N |
< 0.***1 |
|
Hg |
< 0.***1 |
Ni |
< 0.***2 |
|
As |
< 0.***1 |
S |
< 0.***1 |
|
Sb |
< 0.***6 |
Ne |
< 0.***5 |
|
Te |
< 0.***1 |
C |
< 0.***3 |
|
Fe |
< 0.***1 |
Sn |
< 0.***4 |
|
Bi |
< 0.***8 |
O |
< 0.***1 |
