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单词 schweinfurt green
释义

schweinfurt greenn.

/ˈʃvʌɪnfʊət/
Etymology: < Schweinfurt, name of a city in Germany.
Chemistry.
A toxic green pigment that is a mixed acetate and arsenite of copper, Cu3(AsO3)2.(CH3COO)2Cu, and was formerly used as an insecticide. Also called Paris green, Vienna green.
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the world > life > biology > substance > pigment > [noun] > types of
schweinfurt green1852
phycocyan1866
phycocyanogen1881
thiochrome1935
chlorolabe1958
cyanolabe1958
1852 W. Gregory Handbk. Org. Chem. (ed. 3) 214 Schweinfurt or Vienna Green is a double salt, formed of acetate and arsenite of copper.
1874 W. Crookes Pract. Handbk. Dyeing ii. ii. 156 Schweinfürt green or aceto-arsenite of copper.
1879 H. Carr Our Domest. Poisons 7 Experiments were made on a paper coloured with Schweinfurt-green, an aceto-arsenate of copper.
1930 I. J. Kligler Epidemiol. & Control of Malaria vii. 147 Paris green or Schweinfurt green (copper aceto-arsenite) used so much as an insecticide is an efficient larvacide.
This entry has not yet been fully updated (first published 1982; most recently modified version published online June 2020).
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n.1852
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