单词 | schweinfurt green |
释义 | schweinfurt greenn. 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. ΘΚΠ 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). < n.1852 |
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