请输入您要查询的英文单词:

 

单词 scheeles green
释义

Scheele's greenn.

/ˈʃeɪləz ɡriːn/
Etymology: < the name of Karl Wilhelm Scheele (1742–1786), German-born Swedish chemist, who first prepared it.
Chemistry.
A hydrated form of copper arsenite, Cu3(AsO3)2.xH2O, formerly used as a pigment in calico printing and wallpaper manufacture.
ΘΚΠ
the world > matter > chemistry > organic chemistry > organic dyes > [noun] > colouring green
Scheele's green1819
phthalocyanine1933
phthalocyanine green1942
phthalo1979
1819 W. T. Brande Man. Chem. v. 274 Mixed with a solution of sulphate of copper, a precipitate of a fine apple-green colour falls, called from its discoverer, Scheele's green, and useful as a pigment.
1935 Discovery Sept. 261/2 The dark green background of a so-called Holbein portrait was recently found, on..analysis.., to consist of Scheele's green, a copper arsenate discovered in 1778.
1967 Jrnl. Colour Group 92/2 Scheele's green and emerald green, both copper arsenates, lost their popularity [with artists] because of their poisonous effects.
1973 J. D. Smith in J. C. Bailar et al. Comprehensive Inorg. Chem. II. xxi. 609 Yellow silver arsenite..and copper arsenite (Scheele's green) may be precipitated from neutral solutions.
This entry has not yet been fully updated (first published 1982; most recently modified version published online June 2018).
<
n.1819
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。

 

Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间:2025/2/2 0:58:36