释义 |
rhodizonic, a. Chem.|rəʊdɪˈzɒnɪk| [f. Gr. ῥοδίζειν to be red, f. ῥόδον rose, after G. rhodizonsäure (Heller, 1837).] The name of two acids (so named because their salts are red) obtained from carboxide of potassium. Hence rhodiˈzonate, a salt of rhodizonic acid.
1839R. D. Thomson in Brit. Ann. 346 Rhodizoic [sic] acid may be isolated from the potash salt. Ibid., Rhodizoate of potash. 1842Graham Elem. Chem. 934 Rhodizonic Acid..was first observed by L. Gmelin, and recognised as a new acid by Heller. Ibid., A red solution..containing rhodizonate of potash. 1860Brodie in Q. Jrnl. Chem. Soc. XII. 272 The rhodizonate appears as a red insoluble powder. 1868Watts Dict. Chem. s.v., It will be convenient to designate the acid originally obtained by Heller..as α-rhodizonic, and that obtained by Brodie as β-rhodizonic acid. |