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单词 disulpho-
释义

disulpho-disulfo-comb. form

Stress is usually determined by a subsequent element and vowels may be reduced accordingly, e.g. disulpho-anthraquinic Brit. /dʌɪˌsʌlfəʊanθrəˈkwɪnɪk/, U.S. /daɪˌsəlfoʊˌænθrəˈkwɪnɪk/.
Etymology: See di- comb. form 2 and sulpho- 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. /ˌdʌɪsʌlˈfɒnɪk/
,
U.S. /ˌdaɪsəlˈfɑnɪk/
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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