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platinum black
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noun Chemistry.
a black powder consisting of very finely divided metallic platinum, used as a catalyst, especially in organic synthesis.
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In the UK, COTTON CANDY is more commonly known as…
Origin of platinum black
First recorded in 1850–55
Words nearby platinum black
platinocyanide, platinoid, platinotype, platinous, platinum, platinum black, platinum-blond, platinum blonde, platinum disc, platinum metal, platitude
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use platinum black in a sentence
Acetylene combines with hydrogen in the presence of platinum black, and ethylene and then ethane result.
Platinum black is simply platinum in a fine state of division, and is readily obtained as follows:—1.
Cooley's Practical Receipts, Volume II|Arnold Cooley
British Dictionary definitions for platinum black
platinum black
noun
chem a black powder consisting of very finely divided platinum metal. It is used as a catalyst, esp in hydrogenation reactions
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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