Manganese (Mn) | Thermo Fisher Scientific
A lustrous, steel-gray metal, manganese ([Ar]3d 5 4s 2) (CAS ) resembles iron, but is harder and very brittle. In its pure form, it is too brittle to fabricate. Manganese is chemically reactive and decomposes slowly in cold water, more rapidly when heated. ... Manganese powder, APS 10 micron, 99.6% (metals basis), Thermo Scientific ...
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