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Niobium, formerly columbium, is a chemical element with symbol Nb (formerly Cb) and atomic number 41. It is a soft, grey, ductile transition metal, which is often found in the pyrochlore mineral, the main commercial source for niobium, and columbite.
N 9616 (OTTO) Niobium micro powder, APS: 40-50 µm, 99.9% - used as a electrocatalysts.
Hazard statements H250
Certificate Of Analysis
(For eg. B 1615-0108)
Other Documents
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12033-89-5
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