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platinum black

   Also found in: Medical, Encyclopedia, Wikipedia, Hutchinson 0.03 sec.
platinum black
n.
A fine black powder of metallic platinum, used as a catalyst and as a gas absorbent.
platinum black
n
(Chemistry / Elements & Compounds) Chem a black powder consisting of very finely divided platinum metal. It is used as a catalyst, esp in hydrogenation reactions
ThesaurusLegend:  Synonyms Related Words Antonyms
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


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