英语词汇“guaiaretic”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	guaiaretic
释义	guaiaretic, a. Chem.\|gwaɪəˈrɛtɪk\| [f. guaiac + Gr. ῥητ-ίνη resin + -ic, after G. guajakharzsäure guaiac resin acid (H. Hlasiwetz 1861, in Ann. d. Chem. und Pharm. CXIX. 267).] *guaiaretic acid: a white compound, C₂₀H₂₄O₄, found in gum guaiacum. So guaiˈaretate, a salt of this acid. 1866H. Watts tr. Gmelin's Hand-bk. Chem.* XVII. 243 Guaiaretic acid dissolves very slightly in cold or warm ammonia-water.1892Photogr. Ann. II. 73 Guaiaretic Acid,..when freshly prepared, is soluble in alcohol, ether, [etc.].Ibid., Addition of small quantities of colouring matters..to the guaiaretic acid or guaiaretates.1964Jrnl. Chem. Soc. 4011 Fractionation of the resin, by solvents, pyrolysis, etc., resulted in numerous products. Outstanding among these is the dihydric phenol, guaiaretic acid, readily isolated as its sparingly soluble sodium salt.
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