We are offering selenium dioxidecas no.7446-08-4molecular weight: 110.96 chemical formula: seo2 appearance: white, glittering squared crystalcontent: 98%min. Cu: 0.002% max. Ni: 0.002% maxco: 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: 25kgfibre drum or iron drum, lined with plastic bag.
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