platinum black

platinum black

noun Chemistry.
a black powder consisting of very finely divided metallic platinum, used as a catalyst, especially in organic synthesis.

Origin:
1850–55

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To platinum black
Collins
World English Dictionary
platinum black
 
n
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 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
Copyright © 2014 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature
FAVORITES
RECENT

;