Selenium Metal Powder 99.5

We are offering selenium metal powder 99.5.
Rose at wandatrade dot com
specifications
selenium powder metal
cnpc brand
factory price
selenium powder metal
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 4.5gcm3, with m.p.of 685°c; amorphous selenium will soften at 40°c and melt at 217°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 ≥99.9 pb
cu
hg
as
sb
te
fe
bi < 0.0008 o < 0.0001