释义 |
trithionic, a. Chem.|traɪθaɪˈɒnɪk| [f. tri- 5 + Gr. θεῖον sulphur + -ic.] In trithionic acid, H2S3O6, an acid containing three atoms of sulphur in the molecule, discovered by Langlois in 1842 (Ann. Chim. Phys. IV. 77), known only in aqueous solution, which is inodorous, sour, and bitter, and in its salts, the triˈthionates.
1844Chem. Gaz. II. 66 Berzelius..separates the acids of sulphur into monothionic acids (sulphuric and sulphurous acids), dithionic acids..trithionic acid (Langlois' sulphated hyposulphuric acid). 1848Ibid. VI. 369 Trithionic Acid is obtained dissolved in water when the solution of the trithionate of potash is decomposed with the fluosilicate of potash. 1913Thorpe Dict. Appl. Chem. (ed. 2) V. 308 Trithionic acid..on attempting to concentrate [the solution], even in vacuo, it decomposes into sulphur, sulphur dioxide, and sulphuric acid. |