Dictionary
Words, grammatical forms and meanings linked to the ontology.
platinum black en · NOUN
Meanings
-
(uncountable) A soft, dull black powder consisting of finely divided metallic platinum obtained by reduction and precipitation from its solutions. It absorbs oxygen to a high degree, and is employed as an oxidizer.
"In the meanwhile," remarked Carrados, "if you find the time hang heavy on your hands you might look up the subject of 'platinum black.' […] It is a chemical that has the remarkable property of igniting hydrogen or coal gas by mere contact," replied Carrados. "Think how useful that may be if you haven't got a match!"
1923, Ernest Bramah [pseudonym; Ernest Brammah Smith], “(please specify the page)”, in The Eyes of Max Carrados, London: Grant Richards, →OCLC:
Coordinates
iridium black