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Synonyms: Arsenic metal
Arsenic is a chemical element with symbol As and atomic number 33. Arsenic occurs in many minerals, usually in combination with sulfur and metals, but also as a pure elemental crystal. Arsenic is a metalloid.
A 6556 (OTTO) Arsenic powder, -70 mesh, 99.99% - used for taxonomic sample preservation.
WGK Germany 3
Certificate Of Analysis
(For eg. B 1615-0108)
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Aluminium foil, 6.5 µm thick, 99%+
Aluminium powder, -325 mesh, 99.97%
7440-31-5
Tin foil, 0.25mm (0.01in) thick, 99.8% (metals basis)
7440-03-1
Niobium powder, -325 mesh, 99.9%
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