Template:Potd/2014-12-23 (es)
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This is the Spanish translation of the Picture of the day description page from 23 December 2014.
Algunos fragmentos de cobalto puro (99,9%), refinado por electrólisis, junto a un cubo de 1 cm³ de cobalto de alta pureza (99,8% = 2N8) para comparar.
Descriptions in other languages: