| 单词 |
tartro- |
| 释义 |
tartro-
before a vowel tartr- [f. F. tartre, tartar1], in names of chemical compounds containing or derived from tartaric acid; as ˈtartrazine [azo- + -ine5], a fast and brilliant dye-stuff of rich orange yellow; tartreˈthylic tartrethylic acid [ethylic] = ethyltartaric acid, C6H10O6: see quot. 1868; its salts are tarˈtrethylates; tartromeˈthylic tartromethyluc acid [methylic] = methyltartaric acid, C5H8O6: its salts are tartroˈmethylates; tartroˈvinic tartrovinic acid = tartrethylic acid. So tartrocarbhydric, tartroglyceric, etc.
1894Times 15 Aug. 12/1 *Tartrazin, a colour noteworthy not only for its fastness to light, but also because of its brilliancy and purity.
1857Miller Elem. Chem. III. 318 Vinic or ethylic acids, such as sulphethylic, oxalethylic, and *tartrethylic. 1868Watts Dict. Chem. V. 694 Tartrethylic or Tartrovinic acid..crystallises in elongated prisms, with oblique bases; it is colourless, inodorous, tastes both sweet and sour.
1837R. D. Thomson in Brit. Ann. 342 When tartaric and racemic acids are treated..with pyroxylic spirit..similar acids are formed which may be termed *tartro carbydric and racemo carbydric acids.
1838T. Thomson Chem. Org. Bodies 182 *Tartromethylate of potash may be obtained in the same way as tartrovinate of potash.
Ibid. 180 *Tartromethylic acid..was also discovered by M. Guerin-Varry.
1837R. D. Thomson in Brit. Ann. 340 *Tartrovinic acid, M. Guerin Varry..obtained it by boiling tartaric acid with absolute alcohol for a considerable time [etc.]. 1838T. Thomson Chem. Org. Bodies 174 A dilute solution..left exposed to an atmosphere of 77°, lets fall some..crystals of tartrovinic acid. |
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