What is another word for platinum black?
Pronunciation: [plˈatɪnəm blˈak] (IPA) 
Platinum black is a term that refers to a black, finely divided form of platinum metal. However, there are also several other synonyms to this term. One such synonym is platinized carbon, which is platinum deposited on carbon. Another synonym is platinum sponge, which is made by treating platinum with aqua regia. Additionally, platinum black is sometimes called platinum brown due to the dark brown color of the powder. Some other synonyms include platinum oxide, platinum powder, and platinum colloids. These terms are often used interchangeably and refer to various forms of platinum that have unique chemical properties and numerous applications in different industries.
