What is selenium powder and what is it used for
Selenium powder Selenium is a chemical element that has both the symbol Se as well as an atomic number of 34. This nonmetal is more commonly called a metallic (or a metalloid), with properties that lie between the elements below and above the periodic table. It also shares similarities to arsenic. It does not occur in its pure form in the Earth's crust. Selenium powder Concentrated sulfuric acid and chlorine are soluble. It can also be slightly soluble or insoluble with carbon disulfide. Sel