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单词 xanthogen
释义

xanthogenn.

/ˈzanθədʒɛn/
Etymology: < xantho- comb. form + -gen comb. form, after German xanthogensäure (Zeise, 1822).
Chemistry.
1. The hypothetical radical of xanthic acid. Also attributive.
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the world > matter > chemistry > organic chemistry > organic acids > [noun] > organic acid radicals
xanthogen1823
octanoyl1941
1823 W. Henry Elements Exper. Chem. (ed. 9) II. Add. 665 This new acid contains sulphur, carbon, and hydrogen, the two first of which probably form a compound base, analogous to cyanogen... To the base, Mr. Zeise..has given the name of xanthogene..on account of the yellow colour of its compounds.
1868 H. Watts Dict. Chem. V. 1052 Xanthogen-oil. Zeise's name for an oily product formed by the dry distillation of potassic xanthate.
2. A substance supposed to be contained in flowers: see quot. 1864.
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the world > matter > chemistry > organic chemistry > other substances > [noun] > misc
mother of vinegar1601
mother1682
pollenin1816
viscin1838
mothering1841
xylite1843
anethole1852
hypoxanthine1857
fibroin1861
gutta1864
xanthogen1864
vanillin1868
cerulignone1873
sinalbin1875
phloroglucol1881
scopoletin1885
irisin1887
givre1888
pararabin1893
urushiol1908
silvichemical1963
nopaline1972
1864 H. Watts Dict. Chem. II. 668 According to Filhol, nearly all flowers contain a substance which forms colourless solutions with acids, and acquires a fine yellow colour when treated with alkalis: this substance was designated by Marquart as resin of flowers, and by Hope..as xanthogen, which name is also retained by Filhol. He describes it as solid, of a light yellow colour,..soluble in water, alcohol, and ether.
This entry has not yet been fully updated (first published 1921; most recently modified version published online September 2018).
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n.1823
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