Template:Potd/2011-06-15 (it)
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This is the Italian translation of the Picture of the day description page from 15 June 2011.
Alcuni frammenti di manganese puro (99,99 %), raffinato per elettrolisi, accostati, per confronto, ad un cubo di manganese levigato puro (99,99 % = 4N) di 1 cm3.
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