selenium dioxide
Cas No: 7446-08-4
Molecular Weight: 110.96
Chemical Formula: SeO2
Appearance: White, glittering squared crystal
Content: 98%min.
Cu: 0.002% max.
Ni: 0.002% max
Co: 0.001% max.
S: 0.03% max.
Insoluble matter in water: 0.2%max.
Selenium Dioxide is prepared by oxidation of Selenium by burning in air, nitric acid or by reaction with Hydrogen Peroxide, but perhaps the most convenient preparation is by the dehydration of Selenous Acid.
Package: 25KG/fibre drum or iron drum, lined with plastic bag. |