| 单词 | sulphurous chloride |
| 释义 | > as lemmassulphurous chloride 5. Chem. Designating compounds in which sulphur is present in a larger proportion than in sulphuric compounds. sulphurous acid: (a) more fully, sulphurous acid gas (†air), an old name for sulphur dioxide; (b) the acid (H2SO3) resulting from the combination of sulphur dioxide with water. sulphurous oxide or anhydride: sulphur dioxide, SO2, a transparent colourless gas with a pungent and suffocating smell, obtained by burning sulphur in dry air or oxygen. Hence, designating compounds derived from sulphurous acid, as sulphurous chloride, sulphurous ether. ΚΠ 1789 R. Kerr tr. Lavoisier Elements Chem. Pref. p. xxviii, The sulphurous combinations. 1789 R. Kerr tr. Lavoisier Elements Chem. 223 The sulphurous acid is formed by the union of oxygen with sulphur by a lesser degree of oxygenation than the sulphuric acid. 1812 H. Davy Chem. Philos. in Wks. (1840) IV. 25 Sulphurous acid air. 1823 M. Faraday Exper. Res. xx. 89 Mercury, and concentrated sulphuric acid were sealed up in a bent tube and..heat was carefully applied. Sulphurous acid gas was produced where the heat acted. 1848 G. Fownes Man. Elem. Chem. (ed. 2) 392 Sulphurous ether, AeO,SO2. 1868 H. Watts Dict. Chem. V. 540 Sulphurous Oxide, or Sulphurous Anhydride, SO2. 1868 H. Watts Dict. Chem. V. 542 Sulphurous Chloride, SOCl2. Chloride of Thionyl. Sulphurous Chloraldehyde. 1897 H. Aldersmith Ringworm (ed. 4) 185 Sulphurous acid..is an excellent parasiticide. < as lemmas |
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