单词 | disulpho- |
释义 | disulpho-disulfo-comb. form Chemistry. In compounds, designating acids derived from two molecules of sulphurous acid. ΚΠ 1868 H. Watts Dict. Chem. V. 551 There is a group of acid ethers, (SO)2·R″H2·O4, derived from a double molecule of sulphurous acid, H4S2O6, by substitution of a diatomic alcohol-radicle for half the hydrogen. These are the so-called disulpho-acids, which may also be formulated as compounds of hydrocarbon with 2 at[oms of] SO3. 1871 H. E. Roscoe Lessons Elem. Chem. (new ed.) xxxix. 423 Disulpho-anthraquinic acid is formed. Derivatives disulˈphonic adj. Brit. , U.S. ΚΠ 1881 H. Watts Dict. Chem. VIII. 1857 Anthracene treated with sulphuric acid yields two disulphonic acids. This entry has not yet been fully updated (first published 1897; most recently modified version published online March 2022). < |
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