a grey spongy amorphous form of platinum obtained on heating ammonium chloroplatinate and used as a catalyst.
| 单词 | θ67958 |
| 释义 | the world > matter > chemistry > chemical reactions or processes > [noun] > processes or substances affecting reactions > catalysis > catalyst > named catalysts (2) platinum sponge1824 a grey spongy amorphous form of platinum obtained on heating ammonium chloroplatinate and used as a catalyst. Raney nickel1933 (a proprietary name for) a powdered nickel–aluminium alloy (approx. 85 per cent nickel) which has a porous structure with a high surface area and… |
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