单词 | ketyl |
释义 | > as lemmasketyl ketyl n. Brit. /ˈkiːt(ᵻ)l/ , U.S. /ˈkid(ə)l/ [-yl suffix] any salt containing a free-radical anion of the type RR′·.C.·O−, formed by dissolving a metal in a ketone.ΚΠ 1914 Chem. Abstr. 8 113 (heading) Metal ketyls, a large class of compounds with trivalent carbon. 1934 Trans. Faraday Soc. 30 23 By using dioxan as solvent high concentrations of the ketyls were obtained and their paramagnetism placed beyond doubt. 1971 N. L. Allinger et al. Org. Chem. xix. 493 If benzophenone is converted to the ketyl with sodium, for example, the ketyl concentration is sufficient to give the solution a beautiful blue color. < as lemmas |
随便看 |
|
英语词典包含1132095条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。