| 单词 |
tetrathionic |
| 释义 |
tetrathionic, a. Chem.|tɛtrəθaɪˈɒnɪk| [f. tetra- + Gr. θεῖον sulphur + -ic: see -thionic.] In tetrathionic acid, H2S4O6, a colourless, inodorous, very acid liquid, containing four atoms of sulphur in the molecule. Hence tetraˈthionate, a salt of tetrathionic acid.
1848Chem. Gaz. 1 Jan. 13 A double salt of the pentathionate and tetrathionate of potash. Ibid. 15 Sept. 369 Under the name of polythionic acids the author [F. Kessner] comprises the trithionic, tetrathionic and pentathionic acids. 1852Fownes' Chem. (ed. 4) 140 Tetrathionic Acid..was discovered by..Fordos and Gélis [1843]. 1854J. Scoffern in Orr's Circ. Sc., Chem. 285 Bisulphuretted hyposulphuric acid (Tetrathionic acid). 1868Watts Dict. Chem. V. 641 Tetrathionic Compounds. Ibid., Tetrathionate of Barium, Ba{pp}S4O6 2 H2O,..is obtained in large tabular crystals. |

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