Last modified on 25 November 2013, at 21:24

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Electrolytically refined pure (99.9 %) nickel nodules, and a high purity (99.99 % = 4N) 1 cm3 nickel cube for comparison. Crystallized nickel-electrolyte salts (green) can be seen in the pores of the nodules.

This is the English translation of the Picture of the day description page from .

Electrolytically refined pure (99.9 %) nickel nodules, and a high purity (99.99 % = 4N) 1 cm3 nickel cube for comparison. Crystallized nickel-electrolyte salts (green) can be seen in the pores of the nodules.

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