платина

платина

A durable precious metal, valued for its white color and purity. Platinum is hypoallergenic. To be called platinum, it must contain at least 90% pure platinum (10% other metals). (585 Platinum contains 58.5% platinum, 41.5% other metals.)

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Kalbos dalis: noun
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Pramonės šaka / sritis: Jewelry
Category: General jewelry
Company: Kay Jewelers
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Pramonės šaka / sritis: Chemistry Category: General chemistry

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After separating from graphite, graphene is the world's thinnest and strongest material. This one-atom, carbon-based material can conduct electricity ...