| 单词 | disulphuric acid |
| 释义 | > as lemmasdisulphuric acid In disulphuric acid, the same as pyrosulphuric or Nordhausen sulphuric acid, H2S2O7 = 2(SO2OH) + O. Its salts are pyro- or di-sulphates. (So called because the molecule represents two molecules of sulphuric acid deprived of one of water.) ΚΠ 1875 H. Watts Dict. Chem.: 2nd Suppl. 1140. < as lemmas |
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