请输入您要查询的英文单词:

 

单词 cerulignone
释义 cerulignone Chem.|sɪəruːˈlɪgnəʊn|
Also cœ-, co-, -on.
[ad. G. cörulignon (C. Liebermann 1872, in Ber. d. Deut. Chem. Ges. V. 746), f. L. cæru-leus (also written cœruleus) dark blue + lign-um wood + quinone.]
A quinone derivative, C16H16O6, which is obtained when wood-vinegar is treated with potassium dichromate and which crystallizes in small bluish-grey needles.
1873Chem. News 24 Jan. 38/1 As cœrulignon is insoluble in wood-vinegar, and not volatile, it cannot be contained as such in the distilled wood-vinegar, but must be formed after the distillation.1874Jrnl. Chem. Soc. XXVII. 1028 (heading) Use of Corulignone in Calico Printing.1961L. F. & M. Fieser Adv. Org. Chem. xxii. 767 The deeply colored cerulignone is sparingly soluble in ordinary organic solvents and is best crystallized from phenol.
随便看

 

英语词典包含277258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。

 

Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间:2024/12/22 16:47:13