platinum black definition

  • noun:
    • a superb black dust of metallic platinum, used as a catalyst and also as a gas absorbent.
    • a soft, lifeless black colored dust, comprising finely divided metallic platinum acquired by reduction and precipitation from the solutions. It absorbs air to increased degree, and it is used as an oxidizer.
    • A black lifeless dust comprising very carefully divided metallic platinum.
    • an excellent black powder of platinum; made use of as a catalyst in chemical responses

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  • Definition for "platinum black"
    • a superb black dust of metallic platinum, used…
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  • Hypernym for "platinum black"
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