disulpho- Chem.
(daɪˈsʌlfəʊ)
[See di-2 2 and sulpho-.]
In composition, denominating acids derived from two molecules of sulphurous acid.
Hence disulˈphonic a.
| 1868 Watts Dict. Chem. V. 551 There is a group of acid ethers, (SO)2·R{pp}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. 1869 Roscoe Elem. Chem. 423 When disulpho-anthraquinic acid is formed. 1881 Watts Dict. Chem. VIII. 1857 Anthracene treated with sulphuric acid yields two disulphonic acids. |