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.
We offer: Selenium (Se) enriched Se74 stable isotope, not radioactive with features: -enriched Se74 not less than 99.95%; -chemical purity by SE: not less than 99,98% (metal base) price of
$ 100,000 per gram .
From the manufacturer all paper certificates are included!
Selenium Sulfide/do Sulfide is used to treat dandruff and certain scalp infections.It reduces itching,flacking,irritation.It also used for the condition that causes discolouration of skin..