Physical and chemical properties
White crystal or crystalline powder, soluble in water, soluble in ethanol. M.p. 350 ℃. Highly toxic, orally one gram can be lethal, LD50 (rat oral) is 7mg/kg. In case of a reducing agent to precipitate elemental selenium.
2 Preparation and sources
(1) and by the selenite and sodium hydroxide salt in the system.
(2) reaction of selenium and selenium oxide, nitrate, and sodium selenite then generate action, dried, ground finished.
3 Uses
Do nutritional supplements. Test for alkaloids and red glass, glazes formulated.
