Platinum sponge

Japanese: platinum sponge(英語表記)platinumsponge
Platinum sponge

...It plays an important role in the production of sulfuric acid by the contact process.
[platinum sponge]
This is a black spongy platinum obtained by heating (NH 4 ) 2 [PtCl 6 ] to 700-800°C. It is used as a catalyst. …

*Some of the terminology that mentions "platinum sponge" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…接触法による硫酸製造に重要な働きをする。
[白金海綿platinum sponge]
 これは,(NH4)2[PtCl6]を700~800℃に加熱して得られる黒色海綿状の白金。触媒として用いられる。…

※「platinum sponge」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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