单词 | xanthogen |
释义 | xanthogenn. Chemistry. 1. The hypothetical radical of xanthic acid. Also attributive. ΘΚΠ 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. ΘΚΠ 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). < n.1823 |
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