can't read?
Selenium is a chemical element with symbol Se and atomic number 34.
S 3501 (OTTO) Selenium powder, -200 mesh, 99.999% Cas 7782-49-2 - used in the toning of photographic prints, and it is sold as a toner by numerous photographic manufacturers. Selenium intensifies and extends the tonal range of black-and-white photographic images and improves the permanence of prints.
Hazard Statements: H301-H331-H373-H413
Certificate Of Analysis
(For eg. B 1615-0108)
Other Documents
For any quries, please write to us at
7440-50-8
Copper pieces, 1-3 mm, 99.9%
7440-67-7
Zirconium slug, 3 mm dia x 6 mm length, 99.5%
7440-03-1
Niobium powder, <40 μm, 99.9%
7440-33-7
Tungsten pieces, 99.95%
Our team of R&D Experts and Scientists have expertise in all areas of research of Lab Chemicals, Nano Technology, Life Science, Custom Synthesis, Chromatography, and many others.
DisclaimerThe above particulars do not release the customer from the obligation to carry out an inspection of goods received. Not for medical, household or any other uses, for lab use only, Please test before use.