Explanatory notes
… by electrolysis. The metal itself, which is grey‑pink, hard and brittle, is rarely used as such. It is however a … irons and alloy steels; these products normally fall in Chapter 72, but ferro‑manganese and silico‑manganese may … heading if the iron content is very low (see Note 1 (c) to Chapter 72). Manganese is also alloyed with copper, nickel, …
