Platinum Metal Sponge
Platinum sponge is yet another form of platinum metal with a developed surface area, distinct from platinum black and platinized platinum. Platinum sponge can be obtained by strongly heating ammonium chloroplatinate. It has a gray to black colour, while its catalytic properties vary depending on the specifics of the manufacturing.
Read more about this topic: Platinum Black
Famous quotes containing the words platinum, metal and/or sponge:
“Flouncing your skirts, you blueness of joy, you flirt of
politeness,
You leap, you intelligence, essence of wheelness with silvery nose,
And your platinum clocks of excitement stir like the hairs of a
fern.”
—Karl Shapiro (b. 1913)
“There were metal detectors on the staff-room doors and Hernandez usually had a drawer full of push-daggers, nunchuks, stun-guns, knucks, boot-knives, and whatever else the detectors had picked up. Like Friday morning at a South Miami high school.”
—William Gibson (b. 1948)
“He who has been impoverished for a long time ... who has long stood before the door of the mighty in darkness and begged for alms, has filled his heart with bitterness so that it resembles a sponge full of gall; he knows about the injustice and folly of all human action and sometimes his lips tremble with rage and a stifled scream.”
—Stefan Zweig (18811942)