Platinum black

Platinum black (Pt black) is a fine powder of platinum with good catalytic properties. The name of platinum black is due to its black color.

单词	Platinum sponge
释义	Platinum sponge 英语百科 Platinum black Platinum black (Pt black) is a fine powder of platinum with good catalytic properties. The name of platinum black is due to its black color.
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Platinum sponge