“Raney nickel”的概念、定义、翻译、参考文献-科学参考

Raney nickel

Chemistry

A spongy form of nickel made by the action of sodium hydroxide on a nickel–aluminium alloy. The sodium hydroxide dissolves the aluminium leaving a highly active form of nickel with a large surface area. The material is a black pyrophoric powder saturated with hydrogen. It is an extremely efficient catalyst, especially for hydrogenation reactions at room temperature. It was patented in 1927 by the American chemist Murray Raney (1885–1966).

Chemical Engineering

A porous solid catalyst made from an activated alloy of nickel and aluminium. The nickel is the catalytic metal with the aluminium as the structural support. It was developed by American mechanical engineer Murray Raney (1885–1966) in 1926 for the hydrogenation of vegetable oil and is now used in hydrogenation reactions in various forms of organic synthesis. It is widely used as an industrial catalyst for the conversion of olefins and acetylenes to paraffins, nitriles, and nitro compounds to amines, and benzene to cyclohexane amongst others.

单词	Raney nickel
释义	Raney nickel Chemistry A spongy form of nickel made by the action of sodium hydroxide on a nickel–aluminium alloy. The sodium hydroxide dissolves the aluminium leaving a highly active form of nickel with a large surface area. The material is a black pyrophoric powder saturated with hydrogen. It is an extremely efficient catalyst, especially for hydrogenation reactions at room temperature. It was patented in 1927 by the American chemist Murray Raney (1885–1966). Chemical Engineering A porous solid catalyst made from an activated alloy of nickel and aluminium. The nickel is the catalytic metal with the aluminium as the structural support. It was developed by American mechanical engineer Murray Raney (1885–1966) in 1926 for the hydrogenation of vegetable oil and is now used in hydrogenation reactions in various forms of organic synthesis. It is widely used as an industrial catalyst for the conversion of olefins and acetylenes to paraffins, nitriles, and nitro compounds to amines, and benzene to cyclohexane amongst others.
随便看	non-ignorable non-response nonimpact printer non-inflationary growth non-informative prior noninverting amplifier non-labour income non-linear nonlinear amplifier nonlinear circuit nonlinear component nonlinear distortion nonlinear equations nonlinear least squares estimator non-linear model nonlinear network nonlinear optics nonlinear regression nonlinear regression model nonlinear system nonlocal entity non-marketable debt non-marketed economic activities nonmemory reference instruction nonmetal non-metallic