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Nickel is a chemical element with symbol Ni and atomic number 28. It is a silvery-white lustrous metal with a slight golden tinge. Nickel belongs to the transition metals and is hard and ductile.
N 4779 (OTTO) Nickel chunks, 4-10 mm, 99.999% Cas 7440-02-0 - used for plating and as a green tint in glass.