| 单词 | raney nickel |
| 释义 | > as lemmasRaney nickel Raney nickel n. (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 is used as a catalyst in organic syntheses, esp. hydrogenation reactions, and as a reagent in the removal of sulphur from organic compounds.extracted from Raneyn.< as lemmas |
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