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Certificate of Analysis

Selenium powder, 200 mesh, ≥99.9%

Code: S 3307

(For eg. B 1615-0108)

Selenium is a chemical element with symbol Se and atomic number 34.

S 3307 (OTTOKEMI) Selenium powder, 200 mesh, ≥99.9% Cas 7782-49-2 - used in a few types of DC power surge protectors and one type of fluorescent quantum dot.