释义 |
chromyl, n. Chem.|ˈkrəʊmaɪl, -mɪl| [f. chromium n. + -yl.] 1. The divalent radical {b2}CrO2 . Usu. attrib.
1868Jrnl. Chem. Soc. XXI. 514 In the course of an investigation..I had occasion to prepare a considerable quantity of pure chromyl dichloride. 1950N. V. Sidgwick Chem. Elements II. 1004 All attempts to make chromyl bromide or iodide have failed. 2. Special Comb. chromyl chloride, a fuming red liquid, Cl2CrO2 , used as an oxident and chlorinating agent.
1869H. E. Roscoe Lessons Elem. Chem. (new ed.) xxiii. 231 (heading) Chromium oxychloride, or chromyl chloride. 1979Sci. Amer. May 110/3 On absorption of the infrared photons the chromyl chloride strongly emits a broad spectrum of visible light, predominantly orange in hue. |