platinum black


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platinum black

n.
A fine black powder of metallic platinum, used as a catalyst and as a gas absorbent.

platinum black

n
(Elements & Compounds) chem a black powder consisting of very finely divided platinum metal. It is used as a catalyst, esp in hydrogenation reactions
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.platinum black - a fine black powder of platinum; used as a catalyst in chemical reactions
catalyst, accelerator - (chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected
References in periodicals archive ?
5-inch iPhone 6 Plus in various options: Platinum Black Diamond, 24K Gold Black Diamond, Platinum Emerald Cut Diamond, 24K Gold Emerald Cut Diamond, Rose Gold Emerald Cut Diamond, Blue Sapphire, Rose Gold Burmese Ruby and more.
Another option is the compromise of a 3X hook such as the Lazer Sharp L934, which is available in red, chartreuse, and platinum black.
We offer Premium, Silver, Gold graded Angus beef and Platinum Black Wagyu beef from Australia," he said.