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Raney nickel / ˈ r eɪ n iː ˈ n ɪ k əl /, also called spongy nickel, is a fine-grained solid composed mostly of nickel derived from a nickel–aluminium alloy. Several grades are known, of which most are gray solids. Some are pyrophoric, but most are used as air-stable slurries. Raney nickel is used as a reagent and as a catalyst in ...
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雷尼镍. 播报 讨论 上传视频. 一种含镍的异相催化剂. 收藏. 0有用+1. 0. 雷尼镍又译兰尼镍，是一种由带有多孔结构的镍铝合金的细小晶粒组成的固态异相催化剂。. 通常作为 有机化合物 的 氢化催化剂 ，可用于醛酮等含有不饱和键化合物的氢化 还原反应 。. 雷尼 ...
Learn how Murray Raney invented Raney nickel, a heterogeneous hydrogenation catalyst, in 1926 and how it revolutionized many industrial processes. Find out the impact of Raney nickel on modern life, from shortening to nylon, and the landmark dedication at the University of Tennessee at Chattanooga.
RANEY ® catalysts are used in a range of hydrogenation reactions from nitro compounds to amines, carbonyls to alcohols, nitriles to amines, olefins, and acetylenes to saturates. Also, they are widely used in reductive alkylations, reductive aminations and ammonolysis of alcohols.
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Raney nickel is a solid catalyst for hydrogenation reactions in organic chemistry. It is made by leaching aluminium from a nickel-aluminium alloy and has a porous structure with high nickel surface area.
