Selenium (Se) Micron Powder, Purity: 99.9%, Size: 325 mesh
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25 grams/69 €
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Selenium (Se) Micron Powder
Purity: 99.9%, Size: 325 mesh
Selenium is a chemical element with symbol Se and atomic number 34. It is a nonmetal with properties that are intermediate between the elements above and below in the periodic table, sulfur and tellurium, and also has similarities to arsenic. It rarely occurs in its elemental state or as pure ore compounds in the Earth's crust.
Selenium is found in metal sulfide ores, where it partially replaces the sulfur. Commercially, selenium is produced as a byproduct in the refining of these ores, most often during production.